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Finding the Fourth Proportional to 67,552.76, 101,319.42 and 39,485.72

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Solution

The fourth proportional to 67,552.76, 101,319.42 and 39,485.72 is: 59,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,552.76 : 101,319.42 = 39,485.72 : x
  2. Step 2: Convert to fraction form
    67,552.76/101,319.42 = 39,485.72/x
  3. Step 3: Cross multiply
    67,552.76x = 101,319.42 × 39,485.72
  4. Step 4: Simplify right side
    67,552.76x = 4,000,670,248.68
  5. Step 5: Solve for x
    x = 4,000,670,248.68/67,552.76
  6. Step 6: Final answer
    x = 59,222.90

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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.