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Finding the Fourth Proportional to 65,062.20, 97,739.10 and 62,405.40

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Solution

The fourth proportional to 65,062.20, 97,739.10 and 62,405.40 is: 93,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.20 : 97,739.10 = 62,405.40 : x
  2. Step 2: Convert to fraction form
    65,062.20/97,739.10 = 62,405.40/x
  3. Step 3: Cross multiply
    65,062.20x = 97,739.10 × 62,405.40
  4. Step 4: Simplify right side
    65,062.20x = 6,099,447,631.14
  5. Step 5: Solve for x
    x = 6,099,447,631.14/65,062.20
  6. Step 6: Final answer
    x = 93,747.95

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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.