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Finding the Fourth Proportional to 159,475.70, 239,256.72 and 59,645.97

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Solution

The fourth proportional to 159,475.70, 239,256.72 and 59,645.97 is: 89,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,475.70 : 239,256.72 = 59,645.97 : x
  2. Step 2: Convert to fraction form
    159,475.70/239,256.72 = 59,645.97/x
  3. Step 3: Cross multiply
    159,475.70x = 239,256.72 × 59,645.97
  4. Step 4: Simplify right side
    159,475.70x = 14,270,699,143.42
  5. Step 5: Solve for x
    x = 14,270,699,143.42/159,475.70
  6. Step 6: Final answer
    x = 89,485.10

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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.