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Finding the Fourth Proportional to 65,150.20, 97,871.10 and 62,671.60

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Solution

The fourth proportional to 65,150.20, 97,871.10 and 62,671.60 is: 94,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,150.20 : 97,871.10 = 62,671.60 : x
  2. Step 2: Convert to fraction form
    65,150.20/97,871.10 = 62,671.60/x
  3. Step 3: Cross multiply
    65,150.20x = 97,871.10 × 62,671.60
  4. Step 4: Simplify right side
    65,150.20x = 6,133,738,430.76
  5. Step 5: Solve for x
    x = 6,133,738,430.76/65,150.20
  6. Step 6: Final answer
    x = 94,147.65

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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.