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Finding the Fourth Proportional to 64,221.60, 96,202.80 and 44,522.40

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Solution

The fourth proportional to 64,221.60, 96,202.80 and 44,522.40 is: 66,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.60 : 96,202.80 = 44,522.40 : x
  2. Step 2: Convert to fraction form
    64,221.60/96,202.80 = 44,522.40/x
  3. Step 3: Cross multiply
    64,221.60x = 96,202.80 × 44,522.40
  4. Step 4: Simplify right side
    64,221.60x = 4,283,179,542.72
  5. Step 5: Solve for x
    x = 4,283,179,542.72/64,221.60
  6. Step 6: Final answer
    x = 66,693.75

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1.5x scale

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.