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Finding the Fourth Proportional to 117,279.39, 175,919.04 and 28,532.91

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Solution

The fourth proportional to 117,279.39, 175,919.04 and 28,532.91 is: 42,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,279.39 : 175,919.04 = 28,532.91 : x
  2. Step 2: Convert to fraction form
    117,279.39/175,919.04 = 28,532.91/x
  3. Step 3: Cross multiply
    117,279.39x = 175,919.04 × 28,532.91
  4. Step 4: Simplify right side
    117,279.39x = 5,019,482,135.61
  5. Step 5: Solve for x
    x = 5,019,482,135.61/117,279.39
  6. Step 6: Final answer
    x = 42,799.35

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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.