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Finding the Fourth Proportional to 89,350.52, 123,294.52 and 53,539.60

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Solution

The fourth proportional to 89,350.52, 123,294.52 and 53,539.60 is: 73,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,350.52 : 123,294.52 = 53,539.60 : x
  2. Step 2: Convert to fraction form
    89,350.52/123,294.52 = 53,539.60/x
  3. Step 3: Cross multiply
    89,350.52x = 123,294.52 × 53,539.60
  4. Step 4: Simplify right side
    89,350.52x = 6,601,139,282.99
  5. Step 5: Solve for x
    x = 6,601,139,282.99/89,350.52
  6. Step 6: Final answer
    x = 73,879.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.