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Finding the Fourth Proportional to 169,411.72, 254,117.58 and 69,554.92

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Solution

The fourth proportional to 169,411.72, 254,117.58 and 69,554.92 is: 104,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411.72 : 254,117.58 = 69,554.92 : x
  2. Step 2: Convert to fraction form
    169,411.72/254,117.58 = 69,554.92/x
  3. Step 3: Cross multiply
    169,411.72x = 254,117.58 × 69,554.92
  4. Step 4: Simplify right side
    169,411.72x = 17,675,127,947.49
  5. Step 5: Solve for x
    x = 17,675,127,947.49/169,411.72
  6. Step 6: Final answer
    x = 104,332.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.