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Finding the Fourth Proportional to 134,472.98, 201,731.34 and 39,712.74

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Solution

The fourth proportional to 134,472.98, 201,731.34 and 39,712.74 is: 59,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.98 : 201,731.34 = 39,712.74 : x
  2. Step 2: Convert to fraction form
    134,472.98/201,731.34 = 39,712.74/x
  3. Step 3: Cross multiply
    134,472.98x = 201,731.34 × 39,712.74
  4. Step 4: Simplify right side
    134,472.98x = 8,011,304,255.27
  5. Step 5: Solve for x
    x = 8,011,304,255.27/134,472.98
  6. Step 6: Final answer
    x = 59,575.57

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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.