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Finding the Fourth Proportional to 71,235.87, 98,262.66 and 47,037.05

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Solution

The fourth proportional to 71,235.87, 98,262.66 and 47,037.05 is: 64,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.87 : 98,262.66 = 47,037.05 : x
  2. Step 2: Convert to fraction form
    71,235.87/98,262.66 = 47,037.05/x
  3. Step 3: Cross multiply
    71,235.87x = 98,262.66 × 47,037.05
  4. Step 4: Simplify right side
    71,235.87x = 4,621,985,897.21
  5. Step 5: Solve for x
    x = 4,621,985,897.21/71,235.87
  6. Step 6: Final answer
    x = 64,882.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.