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Finding the Fourth Proportional to 124,000.10, 186,000.15 and 74,233.70

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Solution

The fourth proportional to 124,000.10, 186,000.15 and 74,233.70 is: 111,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.10 : 186,000.15 = 74,233.70 : x
  2. Step 2: Convert to fraction form
    124,000.10/186,000.15 = 74,233.70/x
  3. Step 3: Cross multiply
    124,000.10x = 186,000.15 × 74,233.70
  4. Step 4: Simplify right side
    124,000.10x = 13,807,479,335.06
  5. Step 5: Solve for x
    x = 13,807,479,335.06/124,000.10
  6. Step 6: Final answer
    x = 111,350.55

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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.