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Finding the Fourth Proportional to 79,549.74, 109,775.68 and 43,737.62

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Solution

The fourth proportional to 79,549.74, 109,775.68 and 43,737.62 is: 60,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.74 : 109,775.68 = 43,737.62 : x
  2. Step 2: Convert to fraction form
    79,549.74/109,775.68 = 43,737.62/x
  3. Step 3: Cross multiply
    79,549.74x = 109,775.68 × 43,737.62
  4. Step 4: Simplify right side
    79,549.74x = 4,801,326,977.08
  5. Step 5: Solve for x
    x = 4,801,326,977.08/79,549.74
  6. Step 6: Final answer
    x = 60,356.29

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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.