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Finding the Fourth Proportional to 126,609.39, 174,724.02 and 69,254.10

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Solution

The fourth proportional to 126,609.39, 174,724.02 and 69,254.10 is: 95,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609.39 : 174,724.02 = 69,254.10 : x
  2. Step 2: Convert to fraction form
    126,609.39/174,724.02 = 69,254.10/x
  3. Step 3: Cross multiply
    126,609.39x = 174,724.02 × 69,254.10
  4. Step 4: Simplify right side
    126,609.39x = 12,100,354,753.48
  5. Step 5: Solve for x
    x = 12,100,354,753.48/126,609.39
  6. Step 6: Final answer
    x = 95,572.33

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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.