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Finding the Fourth Proportional to 313,951.68, 470,927.52 and 89,335.44

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Solution

The fourth proportional to 313,951.68, 470,927.52 and 89,335.44 is: 134,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,951.68 : 470,927.52 = 89,335.44 : x
  2. Step 2: Convert to fraction form
    313,951.68/470,927.52 = 89,335.44/x
  3. Step 3: Cross multiply
    313,951.68x = 470,927.52 × 89,335.44
  4. Step 4: Simplify right side
    313,951.68x = 42,070,517,207.31
  5. Step 5: Solve for x
    x = 42,070,517,207.31/313,951.68
  6. Step 6: Final answer
    x = 134,003.16

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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.