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Finding the Fourth Proportional to 126,113.76, 174,030.12 and 69,520.68

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Solution

The fourth proportional to 126,113.76, 174,030.12 and 69,520.68 is: 95,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.76 : 174,030.12 = 69,520.68 : x
  2. Step 2: Convert to fraction form
    126,113.76/174,030.12 = 69,520.68/x
  3. Step 3: Cross multiply
    126,113.76x = 174,030.12 × 69,520.68
  4. Step 4: Simplify right side
    126,113.76x = 12,098,692,282.88
  5. Step 5: Solve for x
    x = 12,098,692,282.88/126,113.76
  6. Step 6: Final answer
    x = 95,934.75

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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.