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Finding the Fourth Proportional to 114,658.77, 158,223.78 and 63,674.74

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Solution

The fourth proportional to 114,658.77, 158,223.78 and 63,674.74 is: 87,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.77 : 158,223.78 = 63,674.74 : x
  2. Step 2: Convert to fraction form
    114,658.77/158,223.78 = 63,674.74/x
  3. Step 3: Cross multiply
    114,658.77x = 158,223.78 × 63,674.74
  4. Step 4: Simplify right side
    114,658.77x = 10,074,858,251.10
  5. Step 5: Solve for x
    x = 10,074,858,251.10/114,658.77
  6. Step 6: Final answer
    x = 87,868.18

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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.