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Finding the Fourth Proportional to 109,655.52, 151,325.10 and 59,354.52

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Solution

The fourth proportional to 109,655.52, 151,325.10 and 59,354.52 is: 81,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.52 : 151,325.10 = 59,354.52 : x
  2. Step 2: Convert to fraction form
    109,655.52/151,325.10 = 59,354.52/x
  3. Step 3: Cross multiply
    109,655.52x = 151,325.10 × 59,354.52
  4. Step 4: Simplify right side
    109,655.52x = 8,981,827,621.05
  5. Step 5: Solve for x
    x = 8,981,827,621.05/109,655.52
  6. Step 6: Final answer
    x = 81,909.49

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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.