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Finding the Fourth Proportional to 141,751.38, 212,701.20 and 133,582.95

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Solution

The fourth proportional to 141,751.38, 212,701.20 and 133,582.95 is: 200,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.38 : 212,701.20 = 133,582.95 : x
  2. Step 2: Convert to fraction form
    141,751.38/212,701.20 = 133,582.95/x
  3. Step 3: Cross multiply
    141,751.38x = 212,701.20 × 133,582.95
  4. Step 4: Simplify right side
    141,751.38x = 28,413,253,764.54
  5. Step 5: Solve for x
    x = 28,413,253,764.54/141,751.38
  6. Step 6: Final answer
    x = 200,444.28

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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.