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Finding the Fourth Proportional to 69,041.60, 95,206.56 and 48,893.12

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Solution

The fourth proportional to 69,041.60, 95,206.56 and 48,893.12 is: 67,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041.60 : 95,206.56 = 48,893.12 : x
  2. Step 2: Convert to fraction form
    69,041.60/95,206.56 = 48,893.12/x
  3. Step 3: Cross multiply
    69,041.60x = 95,206.56 × 48,893.12
  4. Step 4: Simplify right side
    69,041.60x = 4,654,945,762.87
  5. Step 5: Solve for x
    x = 4,654,945,762.87/69,041.60
  6. Step 6: Final answer
    x = 67,422.33

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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.