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Finding the Fourth Proportional to 351,344.80, 526,887.60 and 114,695.20

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Solution

The fourth proportional to 351,344.80, 526,887.60 and 114,695.20 is: 172,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,344.80 : 526,887.60 = 114,695.20 : x
  2. Step 2: Convert to fraction form
    351,344.80/526,887.60 = 114,695.20/x
  3. Step 3: Cross multiply
    351,344.80x = 526,887.60 × 114,695.20
  4. Step 4: Simplify right side
    351,344.80x = 60,431,478,659.52
  5. Step 5: Solve for x
    x = 60,431,478,659.52/351,344.80
  6. Step 6: Final answer
    x = 172,000.49

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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.