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Finding the Fourth Proportional to 169,180.50, 233,476.74 and 93,729

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Solution

The fourth proportional to 169,180.50, 233,476.74 and 93,729 is: 129,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,180.50 : 233,476.74 = 93,729 : x
  2. Step 2: Convert to fraction form
    169,180.50/233,476.74 = 93,729/x
  3. Step 3: Cross multiply
    169,180.50x = 233,476.74 × 93,729
  4. Step 4: Simplify right side
    169,180.50x = 21,883,541,363.46
  5. Step 5: Solve for x
    x = 21,883,541,363.46/169,180.50
  6. Step 6: Final answer
    x = 129,350.26

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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.