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Finding the Fourth Proportional to 67,551.76, 101,317.92 and 39,484.72

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Solution

The fourth proportional to 67,551.76, 101,317.92 and 39,484.72 is: 59,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,551.76 : 101,317.92 = 39,484.72 : x
  2. Step 2: Convert to fraction form
    67,551.76/101,317.92 = 39,484.72/x
  3. Step 3: Cross multiply
    67,551.76x = 101,317.92 × 39,484.72
  4. Step 4: Simplify right side
    67,551.76x = 4,000,509,702.18
  5. Step 5: Solve for x
    x = 4,000,509,702.18/67,551.76
  6. Step 6: Final answer
    x = 59,221.40

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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.