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Finding the Fourth Proportional to 174,382.89, 240,721.52 and 117,870.81

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Solution

The fourth proportional to 174,382.89, 240,721.52 and 117,870.81 is: 162,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,382.89 : 240,721.52 = 117,870.81 : x
  2. Step 2: Convert to fraction form
    174,382.89/240,721.52 = 117,870.81/x
  3. Step 3: Cross multiply
    174,382.89x = 240,721.52 × 117,870.81
  4. Step 4: Simplify right side
    174,382.89x = 28,374,039,957.48
  5. Step 5: Solve for x
    x = 28,374,039,957.48/174,382.89
  6. Step 6: Final answer
    x = 162,711.15

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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.