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Finding the Fourth Proportional to 114,248.88, 157,648.68 and 63,947.88

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Solution

The fourth proportional to 114,248.88, 157,648.68 and 63,947.88 is: 88,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,248.88 : 157,648.68 = 63,947.88 : x
  2. Step 2: Convert to fraction form
    114,248.88/157,648.68 = 63,947.88/x
  3. Step 3: Cross multiply
    114,248.88x = 157,648.68 × 63,947.88
  4. Step 4: Simplify right side
    114,248.88x = 10,081,298,870.80
  5. Step 5: Solve for x
    x = 10,081,298,870.80/114,248.88
  6. Step 6: Final answer
    x = 88,239.80

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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.