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Finding the Fourth Proportional to 65,562.35, 98,230.52 and 51,611.72

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Solution

The fourth proportional to 65,562.35, 98,230.52 and 51,611.72 is: 77,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.35 : 98,230.52 = 51,611.72 : x
  2. Step 2: Convert to fraction form
    65,562.35/98,230.52 = 51,611.72/x
  3. Step 3: Cross multiply
    65,562.35x = 98,230.52 × 51,611.72
  4. Step 4: Simplify right side
    65,562.35x = 5,069,845,731.57
  5. Step 5: Solve for x
    x = 5,069,845,731.57/65,562.35
  6. Step 6: Final answer
    x = 77,328.62

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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.