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Finding the Fourth Proportional to 134,843.10, 202,264.65 and 123,470.70

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Solution

The fourth proportional to 134,843.10, 202,264.65 and 123,470.70 is: 185,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.10 : 202,264.65 = 123,470.70 : x
  2. Step 2: Convert to fraction form
    134,843.10/202,264.65 = 123,470.70/x
  3. Step 3: Cross multiply
    134,843.10x = 202,264.65 × 123,470.70
  4. Step 4: Simplify right side
    134,843.10x = 24,973,757,920.76
  5. Step 5: Solve for x
    x = 24,973,757,920.76/134,843.10
  6. Step 6: Final answer
    x = 185,206.05

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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.