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Finding the Fourth Proportional to 73,281.60, 110,165.40 and 63,658.80

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Solution

The fourth proportional to 73,281.60, 110,165.40 and 63,658.80 is: 95,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281.60 : 110,165.40 = 63,658.80 : x
  2. Step 2: Convert to fraction form
    73,281.60/110,165.40 = 63,658.80/x
  3. Step 3: Cross multiply
    73,281.60x = 110,165.40 × 63,658.80
  4. Step 4: Simplify right side
    73,281.60x = 7,012,997,165.52
  5. Step 5: Solve for x
    x = 7,012,997,165.52/73,281.60
  6. Step 6: Final answer
    x = 95,699.29

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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.