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Finding the Fourth Proportional to 169,356.71, 233,722.65 and 93,905.21

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Solution

The fourth proportional to 169,356.71, 233,722.65 and 93,905.21 is: 129,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,356.71 : 233,722.65 = 93,905.21 : x
  2. Step 2: Convert to fraction form
    169,356.71/233,722.65 = 93,905.21/x
  3. Step 3: Cross multiply
    169,356.71x = 233,722.65 × 93,905.21
  4. Step 4: Simplify right side
    169,356.71x = 21,947,773,361.39
  5. Step 5: Solve for x
    x = 21,947,773,361.39/169,356.71
  6. Step 6: Final answer
    x = 129,594.95

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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.