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Finding the Fourth Proportional to 141,362.88, 212,042.16 and 36,180.96

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Solution

The fourth proportional to 141,362.88, 212,042.16 and 36,180.96 is: 54,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,362.88 : 212,042.16 = 36,180.96 : x
  2. Step 2: Convert to fraction form
    141,362.88/212,042.16 = 36,180.96/x
  3. Step 3: Cross multiply
    141,362.88x = 212,042.16 × 36,180.96
  4. Step 4: Simplify right side
    141,362.88x = 7,671,888,909.27
  5. Step 5: Solve for x
    x = 7,671,888,909.27/141,362.88
  6. Step 6: Final answer
    x = 54,270.89

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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.