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Finding the Fourth Proportional to 169,142,488.40, 236,289,300.40 and 169,142,488.40

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Solution

The fourth proportional to 169,142,488.40, 236,289,300.40 and 169,142,488.40 is: 236,289,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,142,488.40 : 236,289,300.40 = 169,142,488.40 : x
  2. Step 2: Convert to fraction form
    169,142,488.40/236,289,300.40 = 169,142,488.40/x
  3. Step 3: Cross multiply
    169,142,488.40x = 236,289,300.40 × 169,142,488.40
  4. Step 4: Simplify right side
    169,142,488.40x = 39,966,560,251,951,120
  5. Step 5: Solve for x
    x = 39,966,560,251,951,120/169,142,488.40
  6. Step 6: Final answer
    x = 236,289,300.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.