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Finding the Fourth Proportional to 95,999.60, 144,064.20 and 62,638.40

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Solution

The fourth proportional to 95,999.60, 144,064.20 and 62,638.40 is: 93,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,999.60 : 144,064.20 = 62,638.40 : x
  2. Step 2: Convert to fraction form
    95,999.60/144,064.20 = 62,638.40/x
  3. Step 3: Cross multiply
    95,999.60x = 144,064.20 × 62,638.40
  4. Step 4: Simplify right side
    95,999.60x = 9,023,950,985.28
  5. Step 5: Solve for x
    x = 9,023,950,985.28/95,999.60
  6. Step 6: Final answer
    x = 93,999.88

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1.5x scale

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.