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Finding the Fourth Proportional to 101,281.60, 152,059.20 and 59,204.80

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Solution

The fourth proportional to 101,281.60, 152,059.20 and 59,204.80 is: 88,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,281.60 : 152,059.20 = 59,204.80 : x
  2. Step 2: Convert to fraction form
    101,281.60/152,059.20 = 59,204.80/x
  3. Step 3: Cross multiply
    101,281.60x = 152,059.20 × 59,204.80
  4. Step 4: Simplify right side
    101,281.60x = 9,002,634,524.16
  5. Step 5: Solve for x
    x = 9,002,634,524.16/101,281.60
  6. Step 6: Final answer
    x = 88,887.17

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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.