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Finding the Fourth Proportional to 222,671.04, 307,279.68 and 127,175.76

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Solution

The fourth proportional to 222,671.04, 307,279.68 and 127,175.76 is: 175,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,671.04 : 307,279.68 = 127,175.76 : x
  2. Step 2: Convert to fraction form
    222,671.04/307,279.68 = 127,175.76/x
  3. Step 3: Cross multiply
    222,671.04x = 307,279.68 × 127,175.76
  4. Step 4: Simplify right side
    222,671.04x = 39,078,526,836.56
  5. Step 5: Solve for x
    x = 39,078,526,836.56/222,671.04
  6. Step 6: Final answer
    x = 175,498.92

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1.5x scale

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.