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Finding the Fourth Proportional to 60,444.55, 90,712.59 and 43,569.42

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Solution

The fourth proportional to 60,444.55, 90,712.59 and 43,569.42 is: 65,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,444.55 : 90,712.59 = 43,569.42 : x
  2. Step 2: Convert to fraction form
    60,444.55/90,712.59 = 43,569.42/x
  3. Step 3: Cross multiply
    60,444.55x = 90,712.59 × 43,569.42
  4. Step 4: Simplify right side
    60,444.55x = 3,952,294,933.00
  5. Step 5: Solve for x
    x = 3,952,294,933.00/60,444.55
  6. Step 6: Final answer
    x = 65,387.12

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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.