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Finding the Fourth Proportional to 65,377.40, 97,835.70 and 59,847.80

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Solution

The fourth proportional to 65,377.40, 97,835.70 and 59,847.80 is: 89,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.40 : 97,835.70 = 59,847.80 : x
  2. Step 2: Convert to fraction form
    65,377.40/97,835.70 = 59,847.80/x
  3. Step 3: Cross multiply
    65,377.40x = 97,835.70 × 59,847.80
  4. Step 4: Simplify right side
    65,377.40x = 5,855,251,406.46
  5. Step 5: Solve for x
    x = 5,855,251,406.46/65,377.40
  6. Step 6: Final answer
    x = 89,560.79

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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.