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Finding the Fourth Proportional to 98,022.92, 135,347.81 and 75,326.10

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Solution

The fourth proportional to 98,022.92, 135,347.81 and 75,326.10 is: 104,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,022.92 : 135,347.81 = 75,326.10 : x
  2. Step 2: Convert to fraction form
    98,022.92/135,347.81 = 75,326.10/x
  3. Step 3: Cross multiply
    98,022.92x = 135,347.81 × 75,326.10
  4. Step 4: Simplify right side
    98,022.92x = 10,195,222,294.21
  5. Step 5: Solve for x
    x = 10,195,222,294.21/98,022.92
  6. Step 6: Final answer
    x = 104,008.56

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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.