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Finding the Fourth Proportional to 73,407.60, 110,140.20 and 26,665.20

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Solution

The fourth proportional to 73,407.60, 110,140.20 and 26,665.20 is: 40,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.60 : 110,140.20 = 26,665.20 : x
  2. Step 2: Convert to fraction form
    73,407.60/110,140.20 = 26,665.20/x
  3. Step 3: Cross multiply
    73,407.60x = 110,140.20 × 26,665.20
  4. Step 4: Simplify right side
    73,407.60x = 2,936,910,461.04
  5. Step 5: Solve for x
    x = 2,936,910,461.04/73,407.60
  6. Step 6: Final answer
    x = 40,008.26

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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.