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Finding the Fourth Proportional to 146,811.60, 220,174.20 and 58,035.60

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Solution

The fourth proportional to 146,811.60, 220,174.20 and 58,035.60 is: 87,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.60 : 220,174.20 = 58,035.60 : x
  2. Step 2: Convert to fraction form
    146,811.60/220,174.20 = 58,035.60/x
  3. Step 3: Cross multiply
    146,811.60x = 220,174.20 × 58,035.60
  4. Step 4: Simplify right side
    146,811.60x = 12,777,941,801.52
  5. Step 5: Solve for x
    x = 12,777,941,801.52/146,811.60
  6. Step 6: Final answer
    x = 87,036.32

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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.