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Finding the Fourth Proportional to 134,687.70, 202,032.56 and 59,787.71

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Solution

The fourth proportional to 134,687.70, 202,032.56 and 59,787.71 is: 89,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,687.70 : 202,032.56 = 59,787.71 : x
  2. Step 2: Convert to fraction form
    134,687.70/202,032.56 = 59,787.71/x
  3. Step 3: Cross multiply
    134,687.70x = 202,032.56 × 59,787.71
  4. Step 4: Simplify right side
    134,687.70x = 12,079,062,798.74
  5. Step 5: Solve for x
    x = 12,079,062,798.74/134,687.70
  6. Step 6: Final answer
    x = 89,682.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.