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Finding the Fourth Proportional to 148,462.40, 222,499.20 and 59,643.20

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Solution

The fourth proportional to 148,462.40, 222,499.20 and 59,643.20 is: 89,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,462.40 : 222,499.20 = 59,643.20 : x
  2. Step 2: Convert to fraction form
    148,462.40/222,499.20 = 59,643.20/x
  3. Step 3: Cross multiply
    148,462.40x = 222,499.20 × 59,643.20
  4. Step 4: Simplify right side
    148,462.40x = 13,270,564,285.44
  5. Step 5: Solve for x
    x = 13,270,564,285.44/148,462.40
  6. Step 6: Final answer
    x = 89,386.70

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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.