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Finding the Fourth Proportional to 142,797.60, 214,135.68 and 58,499.52

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Solution

The fourth proportional to 142,797.60, 214,135.68 and 58,499.52 is: 87,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,797.60 : 214,135.68 = 58,499.52 : x
  2. Step 2: Convert to fraction form
    142,797.60/214,135.68 = 58,499.52/x
  3. Step 3: Cross multiply
    142,797.60x = 214,135.68 × 58,499.52
  4. Step 4: Simplify right side
    142,797.60x = 12,526,834,494.87
  5. Step 5: Solve for x
    x = 12,526,834,494.87/142,797.60
  6. Step 6: Final answer
    x = 87,724.40

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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.