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Finding the Fourth Proportional to 126,967.80, 175,203.18 and 70,377.96

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Solution

The fourth proportional to 126,967.80, 175,203.18 and 70,377.96 is: 97,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,967.80 : 175,203.18 = 70,377.96 : x
  2. Step 2: Convert to fraction form
    126,967.80/175,203.18 = 70,377.96/x
  3. Step 3: Cross multiply
    126,967.80x = 175,203.18 × 70,377.96
  4. Step 4: Simplify right side
    126,967.80x = 12,330,442,393.91
  5. Step 5: Solve for x
    x = 12,330,442,393.91/126,967.80
  6. Step 6: Final answer
    x = 97,114.72

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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.