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Finding the Fourth Proportional to 65,277.60, 98,125.20 and 60,655.20

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Solution

The fourth proportional to 65,277.60, 98,125.20 and 60,655.20 is: 91,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,277.60 : 98,125.20 = 60,655.20 : x
  2. Step 2: Convert to fraction form
    65,277.60/98,125.20 = 60,655.20/x
  3. Step 3: Cross multiply
    65,277.60x = 98,125.20 × 60,655.20
  4. Step 4: Simplify right side
    65,277.60x = 5,951,803,631.04
  5. Step 5: Solve for x
    x = 5,951,803,631.04/65,277.60
  6. Step 6: Final answer
    x = 91,176.81

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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.