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Finding the Fourth Proportional to 373,443.12, 560,164.80 and 124,125.12

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Solution

The fourth proportional to 373,443.12, 560,164.80 and 124,125.12 is: 186,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,443.12 : 560,164.80 = 124,125.12 : x
  2. Step 2: Convert to fraction form
    373,443.12/560,164.80 = 124,125.12/x
  3. Step 3: Cross multiply
    373,443.12x = 560,164.80 × 124,125.12
  4. Step 4: Simplify right side
    373,443.12x = 69,530,523,019.78
  5. Step 5: Solve for x
    x = 69,530,523,019.78/373,443.12
  6. Step 6: Final answer
    x = 186,187.72

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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.