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Finding the Fourth Proportional to 79,092.92, 109,148.23 and 43,282.93

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Solution

The fourth proportional to 79,092.92, 109,148.23 and 43,282.93 is: 59,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092.92 : 109,148.23 = 43,282.93 : x
  2. Step 2: Convert to fraction form
    79,092.92/109,148.23 = 43,282.93/x
  3. Step 3: Cross multiply
    79,092.92x = 109,148.23 × 43,282.93
  4. Step 4: Simplify right side
    79,092.92x = 4,724,255,198.71
  5. Step 5: Solve for x
    x = 4,724,255,198.71/79,092.92
  6. Step 6: Final answer
    x = 59,730.44

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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.