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Finding the Fourth Proportional to 126,610.79, 174,719.90 and 70,020.95

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Solution

The fourth proportional to 126,610.79, 174,719.90 and 70,020.95 is: 96,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,610.79 : 174,719.90 = 70,020.95 : x
  2. Step 2: Convert to fraction form
    126,610.79/174,719.90 = 70,020.95/x
  3. Step 3: Cross multiply
    126,610.79x = 174,719.90 × 70,020.95
  4. Step 4: Simplify right side
    126,610.79x = 12,234,053,381.91
  5. Step 5: Solve for x
    x = 12,234,053,381.91/126,610.79
  6. Step 6: Final answer
    x = 96,627.26

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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.