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Finding the Fourth Proportional to 73,347.48, 110,025.90 and 20,761.07

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Solution

The fourth proportional to 73,347.48, 110,025.90 and 20,761.07 is: 31,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,347.48 : 110,025.90 = 20,761.07 : x
  2. Step 2: Convert to fraction form
    73,347.48/110,025.90 = 20,761.07/x
  3. Step 3: Cross multiply
    73,347.48x = 110,025.90 × 20,761.07
  4. Step 4: Simplify right side
    73,347.48x = 2,284,254,861.58
  5. Step 5: Solve for x
    x = 2,284,254,861.58/73,347.48
  6. Step 6: Final answer
    x = 31,142.92

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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.