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Finding the Fourth Proportional to 98,323.26, 135,609.02 and 67,296.90

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Solution

The fourth proportional to 98,323.26, 135,609.02 and 67,296.90 is: 92,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,323.26 : 135,609.02 = 67,296.90 : x
  2. Step 2: Convert to fraction form
    98,323.26/135,609.02 = 67,296.90/x
  3. Step 3: Cross multiply
    98,323.26x = 135,609.02 × 67,296.90
  4. Step 4: Simplify right side
    98,323.26x = 9,126,065,812.07
  5. Step 5: Solve for x
    x = 9,126,065,812.07/98,323.26
  6. Step 6: Final answer
    x = 92,816.96

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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.