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Finding the Fourth Proportional to 94,672.32, 130,648.32 and 52,230.88

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Solution

The fourth proportional to 94,672.32, 130,648.32 and 52,230.88 is: 72,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.32 : 130,648.32 = 52,230.88 : x
  2. Step 2: Convert to fraction form
    94,672.32/130,648.32 = 52,230.88/x
  3. Step 3: Cross multiply
    94,672.32x = 130,648.32 × 52,230.88
  4. Step 4: Simplify right side
    94,672.32x = 6,823,876,724.12
  5. Step 5: Solve for x
    x = 6,823,876,724.12/94,672.32
  6. Step 6: Final answer
    x = 72,078.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.