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Finding the Fourth Proportional to 141,630.88, 212,442.48 and 43,134.88

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Solution

The fourth proportional to 141,630.88, 212,442.48 and 43,134.88 is: 64,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630.88 : 212,442.48 = 43,134.88 : x
  2. Step 2: Convert to fraction form
    141,630.88/212,442.48 = 43,134.88/x
  3. Step 3: Cross multiply
    141,630.88x = 212,442.48 × 43,134.88
  4. Step 4: Simplify right side
    141,630.88x = 9,163,680,881.70
  5. Step 5: Solve for x
    x = 9,163,680,881.70/141,630.88
  6. Step 6: Final answer
    x = 64,701.15

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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.