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Finding the Fourth Proportional to 169,901.90, 234,470.65 and 93,426.82

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Solution

The fourth proportional to 169,901.90, 234,470.65 and 93,426.82 is: 128,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.90 : 234,470.65 = 93,426.82 : x
  2. Step 2: Convert to fraction form
    169,901.90/234,470.65 = 93,426.82/x
  3. Step 3: Cross multiply
    169,901.90x = 234,470.65 × 93,426.82
  4. Step 4: Simplify right side
    169,901.90x = 21,905,846,568.26
  5. Step 5: Solve for x
    x = 21,905,846,568.26/169,901.90
  6. Step 6: Final answer
    x = 128,932.32

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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.