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Finding the Fourth Proportional to 222,987.15, 334,531.80 and 96,648.60

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Solution

The fourth proportional to 222,987.15, 334,531.80 and 96,648.60 is: 144,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,987.15 : 334,531.80 = 96,648.60 : x
  2. Step 2: Convert to fraction form
    222,987.15/334,531.80 = 96,648.60/x
  3. Step 3: Cross multiply
    222,987.15x = 334,531.80 × 96,648.60
  4. Step 4: Simplify right side
    222,987.15x = 32,332,030,125.48
  5. Step 5: Solve for x
    x = 32,332,030,125.48/222,987.15
  6. Step 6: Final answer
    x = 144,995.04

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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.