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Finding the Fourth Proportional to 114,687.42, 158,266.08 and 63,697.29

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Solution

The fourth proportional to 114,687.42, 158,266.08 and 63,697.29 is: 87,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,687.42 : 158,266.08 = 63,697.29 : x
  2. Step 2: Convert to fraction form
    114,687.42/158,266.08 = 63,697.29/x
  3. Step 3: Cross multiply
    114,687.42x = 158,266.08 × 63,697.29
  4. Step 4: Simplify right side
    114,687.42x = 10,081,120,394.92
  5. Step 5: Solve for x
    x = 10,081,120,394.92/114,687.42
  6. Step 6: Final answer
    x = 87,900.84

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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.