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Finding the Fourth Proportional to 96,571.60, 144,565.80 and 84,907.60

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Solution

The fourth proportional to 96,571.60, 144,565.80 and 84,907.60 is: 127,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,571.60 : 144,565.80 = 84,907.60 : x
  2. Step 2: Convert to fraction form
    96,571.60/144,565.80 = 84,907.60/x
  3. Step 3: Cross multiply
    96,571.60x = 144,565.80 × 84,907.60
  4. Step 4: Simplify right side
    96,571.60x = 12,274,735,120.08
  5. Step 5: Solve for x
    x = 12,274,735,120.08/96,571.60
  6. Step 6: Final answer
    x = 127,105.02

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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.