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Finding the Fourth Proportional to 95,890.70, 144,008.85 and 92,780.30

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Solution

The fourth proportional to 95,890.70, 144,008.85 and 92,780.30 is: 139,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,890.70 : 144,008.85 = 92,780.30 : x
  2. Step 2: Convert to fraction form
    95,890.70/144,008.85 = 92,780.30/x
  3. Step 3: Cross multiply
    95,890.70x = 144,008.85 × 92,780.30
  4. Step 4: Simplify right side
    95,890.70x = 13,361,184,305.66
  5. Step 5: Solve for x
    x = 13,361,184,305.66/95,890.70
  6. Step 6: Final answer
    x = 139,337.64

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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.