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Finding the Fourth Proportional to 124,073.68, 186,108.12 and 35,327.76

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Solution

The fourth proportional to 124,073.68, 186,108.12 and 35,327.76 is: 52,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,073.68 : 186,108.12 = 35,327.76 : x
  2. Step 2: Convert to fraction form
    124,073.68/186,108.12 = 35,327.76/x
  3. Step 3: Cross multiply
    124,073.68x = 186,108.12 × 35,327.76
  4. Step 4: Simplify right side
    124,073.68x = 6,574,782,997.41
  5. Step 5: Solve for x
    x = 6,574,782,997.41/124,073.68
  6. Step 6: Final answer
    x = 52,990.96

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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.