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Finding the Fourth Proportional to 98,367.24, 135,744.48 and 60,126.60

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Solution

The fourth proportional to 98,367.24, 135,744.48 and 60,126.60 is: 82,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,367.24 : 135,744.48 = 60,126.60 : x
  2. Step 2: Convert to fraction form
    98,367.24/135,744.48 = 60,126.60/x
  3. Step 3: Cross multiply
    98,367.24x = 135,744.48 × 60,126.60
  4. Step 4: Simplify right side
    98,367.24x = 8,161,854,051.17
  5. Step 5: Solve for x
    x = 8,161,854,051.17/98,367.24
  6. Step 6: Final answer
    x = 82,973.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.