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Finding the Fourth Proportional to 79,159.68, 109,235.79 and 43,350.39

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Solution

The fourth proportional to 79,159.68, 109,235.79 and 43,350.39 is: 59,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159.68 : 109,235.79 = 43,350.39 : x
  2. Step 2: Convert to fraction form
    79,159.68/109,235.79 = 43,350.39/x
  3. Step 3: Cross multiply
    79,159.68x = 109,235.79 × 43,350.39
  4. Step 4: Simplify right side
    79,159.68x = 4,735,414,098.46
  5. Step 5: Solve for x
    x = 4,735,414,098.46/79,159.68
  6. Step 6: Final answer
    x = 59,821.04

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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.