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Finding the Fourth Proportional to 126,847.56, 175,047.41 and 69,488.02

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Solution

The fourth proportional to 126,847.56, 175,047.41 and 69,488.02 is: 95,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847.56 : 175,047.41 = 69,488.02 : x
  2. Step 2: Convert to fraction form
    126,847.56/175,047.41 = 69,488.02/x
  3. Step 3: Cross multiply
    126,847.56x = 175,047.41 × 69,488.02
  4. Step 4: Simplify right side
    126,847.56x = 12,163,697,927.03
  5. Step 5: Solve for x
    x = 12,163,697,927.03/126,847.56
  6. Step 6: Final answer
    x = 95,892.25

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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.