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Finding the Fourth Proportional to 61,493.24, 92,239.88 and 47,473.72

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Solution

The fourth proportional to 61,493.24, 92,239.88 and 47,473.72 is: 71,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,493.24 : 92,239.88 = 47,473.72 : x
  2. Step 2: Convert to fraction form
    61,493.24/92,239.88 = 47,473.72/x
  3. Step 3: Cross multiply
    61,493.24x = 92,239.88 × 47,473.72
  4. Step 4: Simplify right side
    61,493.24x = 4,378,970,235.95
  5. Step 5: Solve for x
    x = 4,378,970,235.95/61,493.24
  6. Step 6: Final answer
    x = 71,210.60

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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.