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Finding the Fourth Proportional to 552,084.08, 828,086.12 and 147,245.04

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Solution

The fourth proportional to 552,084.08, 828,086.12 and 147,245.04 is: 220,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,084.08 : 828,086.12 = 147,245.04 : x
  2. Step 2: Convert to fraction form
    552,084.08/828,086.12 = 147,245.04/x
  3. Step 3: Cross multiply
    552,084.08x = 828,086.12 × 147,245.04
  4. Step 4: Simplify right side
    552,084.08x = 121,931,573,862.85
  5. Step 5: Solve for x
    x = 121,931,573,862.85/552,084.08
  6. Step 6: Final answer
    x = 220,856.89

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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.