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Finding the Fourth Proportional to 147,042.84, 220,469.44 and 62,857.92

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Solution

The fourth proportional to 147,042.84, 220,469.44 and 62,857.92 is: 94,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042.84 : 220,469.44 = 62,857.92 : x
  2. Step 2: Convert to fraction form
    147,042.84/220,469.44 = 62,857.92/x
  3. Step 3: Cross multiply
    147,042.84x = 220,469.44 × 62,857.92
  4. Step 4: Simplify right side
    147,042.84x = 13,858,250,421.96
  5. Step 5: Solve for x
    x = 13,858,250,421.96/147,042.84
  6. Step 6: Final answer
    x = 94,246.35

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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.