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Finding the Fourth Proportional to 169,810.54, 234,340.69 and 93,337.96

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Solution

The fourth proportional to 169,810.54, 234,340.69 and 93,337.96 is: 128,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,810.54 : 234,340.69 = 93,337.96 : x
  2. Step 2: Convert to fraction form
    169,810.54/234,340.69 = 93,337.96/x
  3. Step 3: Cross multiply
    169,810.54x = 234,340.69 × 93,337.96
  4. Step 4: Simplify right side
    169,810.54x = 21,872,881,949.59
  5. Step 5: Solve for x
    x = 21,872,881,949.59/169,810.54
  6. Step 6: Final answer
    x = 128,807.56

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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.