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Finding the Fourth Proportional to 159,809.64, 239,652.14 and 59,915.40

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Solution

The fourth proportional to 159,809.64, 239,652.14 and 59,915.40 is: 89,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,809.64 : 239,652.14 = 59,915.40 : x
  2. Step 2: Convert to fraction form
    159,809.64/239,652.14 = 59,915.40/x
  3. Step 3: Cross multiply
    159,809.64x = 239,652.14 × 59,915.40
  4. Step 4: Simplify right side
    159,809.64x = 14,358,853,529.38
  5. Step 5: Solve for x
    x = 14,358,853,529.38/159,809.64
  6. Step 6: Final answer
    x = 89,849.73

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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.