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Finding the Fourth Proportional to 169,553.52, 254,385.77 and 69,760.71

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Solution

The fourth proportional to 169,553.52, 254,385.77 and 69,760.71 is: 104,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,553.52 : 254,385.77 = 69,760.71 : x
  2. Step 2: Convert to fraction form
    169,553.52/254,385.77 = 69,760.71/x
  3. Step 3: Cross multiply
    169,553.52x = 254,385.77 × 69,760.71
  4. Step 4: Simplify right side
    169,553.52x = 17,746,131,580.29
  5. Step 5: Solve for x
    x = 17,746,131,580.29/169,553.52
  6. Step 6: Final answer
    x = 104,663.89

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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.