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Finding the Fourth Proportional to 126,656.52, 174,770.84 and 70,060.20

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Solution

The fourth proportional to 126,656.52, 174,770.84 and 70,060.20 is: 96,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656.52 : 174,770.84 = 70,060.20 : x
  2. Step 2: Convert to fraction form
    126,656.52/174,770.84 = 70,060.20/x
  3. Step 3: Cross multiply
    126,656.52x = 174,770.84 × 70,060.20
  4. Step 4: Simplify right side
    126,656.52x = 12,244,480,004.57
  5. Step 5: Solve for x
    x = 12,244,480,004.57/126,656.52
  6. Step 6: Final answer
    x = 96,674.69

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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.