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Finding the Fourth Proportional to 65,955.60, 98,933.40 and 63,622.80

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Solution

The fourth proportional to 65,955.60, 98,933.40 and 63,622.80 is: 95,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.60 : 98,933.40 = 63,622.80 : x
  2. Step 2: Convert to fraction form
    65,955.60/98,933.40 = 63,622.80/x
  3. Step 3: Cross multiply
    65,955.60x = 98,933.40 × 63,622.80
  4. Step 4: Simplify right side
    65,955.60x = 6,294,419,921.52
  5. Step 5: Solve for x
    x = 6,294,419,921.52/65,955.60
  6. Step 6: Final answer
    x = 95,434.20

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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.