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Finding the Fourth Proportional to 141,788.97, 212,702.90 and 62,901.45

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Solution

The fourth proportional to 141,788.97, 212,702.90 and 62,901.45 is: 94,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,788.97 : 212,702.90 = 62,901.45 : x
  2. Step 2: Convert to fraction form
    141,788.97/212,702.90 = 62,901.45/x
  3. Step 3: Cross multiply
    141,788.97x = 212,702.90 × 62,901.45
  4. Step 4: Simplify right side
    141,788.97x = 13,379,320,514.70
  5. Step 5: Solve for x
    x = 13,379,320,514.70/141,788.97
  6. Step 6: Final answer
    x = 94,360.80

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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.