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Finding the Fourth Proportional to 113,978.48, 170,984.40 and 35,099.60

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Solution

The fourth proportional to 113,978.48, 170,984.40 and 35,099.60 is: 52,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,978.48 : 170,984.40 = 35,099.60 : x
  2. Step 2: Convert to fraction form
    113,978.48/170,984.40 = 35,099.60/x
  3. Step 3: Cross multiply
    113,978.48x = 170,984.40 × 35,099.60
  4. Step 4: Simplify right side
    113,978.48x = 6,001,484,046.24
  5. Step 5: Solve for x
    x = 6,001,484,046.24/113,978.48
  6. Step 6: Final answer
    x = 52,654.54

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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.