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Finding the Fourth Proportional to 95,737.20, 143,670.60 and 43,119.60

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Solution

The fourth proportional to 95,737.20, 143,670.60 and 43,119.60 is: 64,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,737.20 : 143,670.60 = 43,119.60 : x
  2. Step 2: Convert to fraction form
    95,737.20/143,670.60 = 43,119.60/x
  3. Step 3: Cross multiply
    95,737.20x = 143,670.60 × 43,119.60
  4. Step 4: Simplify right side
    95,737.20x = 6,195,018,803.76
  5. Step 5: Solve for x
    x = 6,195,018,803.76/95,737.20
  6. Step 6: Final answer
    x = 64,708.59

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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.