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Finding the Fourth Proportional to 79,400.52, 109,572.91 and 43,592.84

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Solution

The fourth proportional to 79,400.52, 109,572.91 and 43,592.84 is: 60,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,400.52 : 109,572.91 = 43,592.84 : x
  2. Step 2: Convert to fraction form
    79,400.52/109,572.91 = 43,592.84/x
  3. Step 3: Cross multiply
    79,400.52x = 109,572.91 × 43,592.84
  4. Step 4: Simplify right side
    79,400.52x = 4,776,594,195.71
  5. Step 5: Solve for x
    x = 4,776,594,195.71/79,400.52
  6. Step 6: Final answer
    x = 60,158.22

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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.