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Finding the Fourth Proportional to 195,279.60, 292,919.40 and 70,591.44

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Solution

The fourth proportional to 195,279.60, 292,919.40 and 70,591.44 is: 105,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,279.60 : 292,919.40 = 70,591.44 : x
  2. Step 2: Convert to fraction form
    195,279.60/292,919.40 = 70,591.44/x
  3. Step 3: Cross multiply
    195,279.60x = 292,919.40 × 70,591.44
  4. Step 4: Simplify right side
    195,279.60x = 20,677,602,249.94
  5. Step 5: Solve for x
    x = 20,677,602,249.94/195,279.60
  6. Step 6: Final answer
    x = 105,887.16

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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.