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Finding the Fourth Proportional to 169,488.40, 233,893.34 and 93,008.78

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Solution

The fourth proportional to 169,488.40, 233,893.34 and 93,008.78 is: 128,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,488.40 : 233,893.34 = 93,008.78 : x
  2. Step 2: Convert to fraction form
    169,488.40/233,893.34 = 93,008.78/x
  3. Step 3: Cross multiply
    169,488.40x = 233,893.34 × 93,008.78
  4. Step 4: Simplify right side
    169,488.40x = 21,754,134,203.53
  5. Step 5: Solve for x
    x = 21,754,134,203.53/169,488.40
  6. Step 6: Final answer
    x = 128,351.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.