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Finding the Fourth Proportional to 78,016.96, 107,666.17 and 44,023.47

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Solution

The fourth proportional to 78,016.96, 107,666.17 and 44,023.47 is: 60,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,016.96 : 107,666.17 = 44,023.47 : x
  2. Step 2: Convert to fraction form
    78,016.96/107,666.17 = 44,023.47/x
  3. Step 3: Cross multiply
    78,016.96x = 107,666.17 × 44,023.47
  4. Step 4: Simplify right side
    78,016.96x = 4,739,837,891.20
  5. Step 5: Solve for x
    x = 4,739,837,891.20/78,016.96
  6. Step 6: Final answer
    x = 60,753.94

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1.5x scale

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.