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Finding the Fourth Proportional to 169,730.69, 234,228.42 and 93,254.72

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Solution

The fourth proportional to 169,730.69, 234,228.42 and 93,254.72 is: 128,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,730.69 : 234,228.42 = 93,254.72 : x
  2. Step 2: Convert to fraction form
    169,730.69/234,228.42 = 93,254.72/x
  3. Step 3: Cross multiply
    169,730.69x = 234,228.42 × 93,254.72
  4. Step 4: Simplify right side
    169,730.69x = 21,842,904,552.00
  5. Step 5: Solve for x
    x = 21,842,904,552.00/169,730.69
  6. Step 6: Final answer
    x = 128,691.55

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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.