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Finding the Fourth Proportional to 114,584.61, 158,128.47 and 63,600.65

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Solution

The fourth proportional to 114,584.61, 158,128.47 and 63,600.65 is: 87,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,584.61 : 158,128.47 = 63,600.65 : x
  2. Step 2: Convert to fraction form
    114,584.61/158,128.47 = 63,600.65/x
  3. Step 3: Cross multiply
    114,584.61x = 158,128.47 × 63,600.65
  4. Step 4: Simplify right side
    114,584.61x = 10,057,073,475.51
  5. Step 5: Solve for x
    x = 10,057,073,475.51/114,584.61
  6. Step 6: Final answer
    x = 87,769.85

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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.