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Finding the Fourth Proportional to 104,853, 144,702.90 and 60,143.88

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Solution

The fourth proportional to 104,853, 144,702.90 and 60,143.88 is: 83,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,853 : 144,702.90 = 60,143.88 : x
  2. Step 2: Convert to fraction form
    104,853/144,702.90 = 60,143.88/x
  3. Step 3: Cross multiply
    104,853x = 144,702.90 × 60,143.88
  4. Step 4: Simplify right side
    104,853x = 8,702,993,853.25
  5. Step 5: Solve for x
    x = 8,702,993,853.25/104,853
  6. Step 6: Final answer
    x = 83,001.86

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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.