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Finding the Fourth Proportional to 95,954,773.80, 143,932,160.70 and 80,011,543.80

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Solution

The fourth proportional to 95,954,773.80, 143,932,160.70 and 80,011,543.80 is: 120,017,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,954,773.80 : 143,932,160.70 = 80,011,543.80 : x
  2. Step 2: Convert to fraction form
    95,954,773.80/143,932,160.70 = 80,011,543.80/x
  3. Step 3: Cross multiply
    95,954,773.80x = 143,932,160.70 × 80,011,543.80
  4. Step 4: Simplify right side
    95,954,773.80x = 11,516,234,380,076,688
  5. Step 5: Solve for x
    x = 11,516,234,380,076,688/95,954,773.80
  6. Step 6: Final answer
    x = 120,017,315.70

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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.