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Finding the Fourth Proportional to 221,702.43, 332,602.78 and 63,918.57

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Solution

The fourth proportional to 221,702.43, 332,602.78 and 63,918.57 is: 95,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,702.43 : 332,602.78 = 63,918.57 : x
  2. Step 2: Convert to fraction form
    221,702.43/332,602.78 = 63,918.57/x
  3. Step 3: Cross multiply
    221,702.43x = 332,602.78 × 63,918.57
  4. Step 4: Simplify right side
    221,702.43x = 21,259,492,412.61
  5. Step 5: Solve for x
    x = 21,259,492,412.61/221,702.43
  6. Step 6: Final answer
    x = 95,892.02

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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.