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Finding the Fourth Proportional to 58,797,059.20, 88,195,588.80 and 42,588,764.80

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Solution

The fourth proportional to 58,797,059.20, 88,195,588.80 and 42,588,764.80 is: 63,883,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,797,059.20 : 88,195,588.80 = 42,588,764.80 : x
  2. Step 2: Convert to fraction form
    58,797,059.20/88,195,588.80 = 42,588,764.80/x
  3. Step 3: Cross multiply
    58,797,059.20x = 88,195,588.80 × 42,588,764.80
  4. Step 4: Simplify right side
    58,797,059.20x = 3,756,141,187,800,714
  5. Step 5: Solve for x
    x = 3,756,141,187,800,714/58,797,059.20
  6. Step 6: Final answer
    x = 63,883,147.20

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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.