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Finding the Fourth Proportional to 79,322.92, 118,980.96 and 26,732.20

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Solution

The fourth proportional to 79,322.92, 118,980.96 and 26,732.20 is: 40,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322.92 : 118,980.96 = 26,732.20 : x
  2. Step 2: Convert to fraction form
    79,322.92/118,980.96 = 26,732.20/x
  3. Step 3: Cross multiply
    79,322.92x = 118,980.96 × 26,732.20
  4. Step 4: Simplify right side
    79,322.92x = 3,180,622,818.91
  5. Step 5: Solve for x
    x = 3,180,622,818.91/79,322.92
  6. Step 6: Final answer
    x = 40,097.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.