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Finding the Fourth Proportional to 114,817.88, 158,449.52 and 63,135.88

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Solution

The fourth proportional to 114,817.88, 158,449.52 and 63,135.88 is: 87,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,817.88 : 158,449.52 = 63,135.88 : x
  2. Step 2: Convert to fraction form
    114,817.88/158,449.52 = 63,135.88/x
  3. Step 3: Cross multiply
    114,817.88x = 158,449.52 × 63,135.88
  4. Step 4: Simplify right side
    114,817.88x = 10,003,849,732.99
  5. Step 5: Solve for x
    x = 10,003,849,732.99/114,817.88
  6. Step 6: Final answer
    x = 87,127.98

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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.