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Finding the Fourth Proportional to 107,630.40, 161,445.60 and 32,750.40

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Solution

The fourth proportional to 107,630.40, 161,445.60 and 32,750.40 is: 49,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630.40 : 161,445.60 = 32,750.40 : x
  2. Step 2: Convert to fraction form
    107,630.40/161,445.60 = 32,750.40/x
  3. Step 3: Cross multiply
    107,630.40x = 161,445.60 × 32,750.40
  4. Step 4: Simplify right side
    107,630.40x = 5,287,407,978.24
  5. Step 5: Solve for x
    x = 5,287,407,978.24/107,630.40
  6. Step 6: Final answer
    x = 49,125.60

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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.