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Finding the Fourth Proportional to 58,850.70, 88,276.05 and 54,357.90

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Solution

The fourth proportional to 58,850.70, 88,276.05 and 54,357.90 is: 81,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,850.70 : 88,276.05 = 54,357.90 : x
  2. Step 2: Convert to fraction form
    58,850.70/88,276.05 = 54,357.90/x
  3. Step 3: Cross multiply
    58,850.70x = 88,276.05 × 54,357.90
  4. Step 4: Simplify right side
    58,850.70x = 4,798,500,698.30
  5. Step 5: Solve for x
    x = 4,798,500,698.30/58,850.70
  6. Step 6: Final answer
    x = 81,536.85

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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.