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Finding the Fourth Proportional to 84,132.99, 126,094.25 and 42,024.83

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Solution

The fourth proportional to 84,132.99, 126,094.25 and 42,024.83 is: 62,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.99 : 126,094.25 = 42,024.83 : x
  2. Step 2: Convert to fraction form
    84,132.99/126,094.25 = 42,024.83/x
  3. Step 3: Cross multiply
    84,132.99x = 126,094.25 × 42,024.83
  4. Step 4: Simplify right side
    84,132.99x = 5,299,089,367.67
  5. Step 5: Solve for x
    x = 5,299,089,367.67/84,132.99
  6. Step 6: Final answer
    x = 62,984.68

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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.