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Finding the Fourth Proportional to 126,614.92, 174,731.22 and 70,030.12

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Solution

The fourth proportional to 126,614.92, 174,731.22 and 70,030.12 is: 96,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.92 : 174,731.22 = 70,030.12 : x
  2. Step 2: Convert to fraction form
    126,614.92/174,731.22 = 70,030.12/x
  3. Step 3: Cross multiply
    126,614.92x = 174,731.22 × 70,030.12
  4. Step 4: Simplify right side
    126,614.92x = 12,236,448,304.35
  5. Step 5: Solve for x
    x = 12,236,448,304.35/126,614.92
  6. Step 6: Final answer
    x = 96,643.02

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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.