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Finding the Fourth Proportional to 175,264.39, 262,995 and 70,091.56

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Solution

The fourth proportional to 175,264.39, 262,995 and 70,091.56 is: 105,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,264.39 : 262,995 = 70,091.56 : x
  2. Step 2: Convert to fraction form
    175,264.39/262,995 = 70,091.56/x
  3. Step 3: Cross multiply
    175,264.39x = 262,995 × 70,091.56
  4. Step 4: Simplify right side
    175,264.39x = 18,433,729,822.20
  5. Step 5: Solve for x
    x = 18,433,729,822.20/175,264.39
  6. Step 6: Final answer
    x = 105,176.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.