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Finding the Fourth Proportional to 126,950.92, 175,191.88 and 70,362.28

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Solution

The fourth proportional to 126,950.92, 175,191.88 and 70,362.28 is: 97,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.92 : 175,191.88 = 70,362.28 : x
  2. Step 2: Convert to fraction form
    126,950.92/175,191.88 = 70,362.28/x
  3. Step 3: Cross multiply
    126,950.92x = 175,191.88 × 70,362.28
  4. Step 4: Simplify right side
    126,950.92x = 12,326,900,114.29
  5. Step 5: Solve for x
    x = 12,326,900,114.29/126,950.92
  6. Step 6: Final answer
    x = 97,099.73

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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.