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Finding the Fourth Proportional to 101,307.60, 152,086.20 and 63,867.60

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Solution

The fourth proportional to 101,307.60, 152,086.20 and 63,867.60 is: 95,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,307.60 : 152,086.20 = 63,867.60 : x
  2. Step 2: Convert to fraction form
    101,307.60/152,086.20 = 63,867.60/x
  3. Step 3: Cross multiply
    101,307.60x = 152,086.20 × 63,867.60
  4. Step 4: Simplify right side
    101,307.60x = 9,713,380,587.12
  5. Step 5: Solve for x
    x = 9,713,380,587.12/101,307.60
  6. Step 6: Final answer
    x = 95,880.08

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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.