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Finding the Fourth Proportional to 114,652.71, 158,215.46 and 63,668.69

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Solution

The fourth proportional to 114,652.71, 158,215.46 and 63,668.69 is: 87,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,652.71 : 158,215.46 = 63,668.69 : x
  2. Step 2: Convert to fraction form
    114,652.71/158,215.46 = 63,668.69/x
  3. Step 3: Cross multiply
    114,652.71x = 158,215.46 × 63,668.69
  4. Step 4: Simplify right side
    114,652.71x = 10,073,369,966.53
  5. Step 5: Solve for x
    x = 10,073,369,966.53/114,652.71
  6. Step 6: Final answer
    x = 87,859.85

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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.