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Finding the Fourth Proportional to 169,092.80, 233,345.16 and 93,639.68

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Solution

The fourth proportional to 169,092.80, 233,345.16 and 93,639.68 is: 129,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,092.80 : 233,345.16 = 93,639.68 : x
  2. Step 2: Convert to fraction form
    169,092.80/233,345.16 = 93,639.68/x
  3. Step 3: Cross multiply
    169,092.80x = 233,345.16 × 93,639.68
  4. Step 4: Simplify right side
    169,092.80x = 21,850,366,111.95
  5. Step 5: Solve for x
    x = 21,850,366,111.95/169,092.80
  6. Step 6: Final answer
    x = 129,221.15

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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.