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Finding the Fourth Proportional to 175,626.68, 242,392.11 and 115,371.86

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Solution

The fourth proportional to 175,626.68, 242,392.11 and 115,371.86 is: 159,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,626.68 : 242,392.11 = 115,371.86 : x
  2. Step 2: Convert to fraction form
    175,626.68/242,392.11 = 115,371.86/x
  3. Step 3: Cross multiply
    175,626.68x = 242,392.11 × 115,371.86
  4. Step 4: Simplify right side
    175,626.68x = 27,965,228,580.02
  5. Step 5: Solve for x
    x = 27,965,228,580.02/175,626.68
  6. Step 6: Final answer
    x = 159,231.10

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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.