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Finding the Fourth Proportional to 111,626.55, 167,376.78 and 36,726.48

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Solution

The fourth proportional to 111,626.55, 167,376.78 and 36,726.48 is: 55,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,626.55 : 167,376.78 = 36,726.48 : x
  2. Step 2: Convert to fraction form
    111,626.55/167,376.78 = 36,726.48/x
  3. Step 3: Cross multiply
    111,626.55x = 167,376.78 × 36,726.48
  4. Step 4: Simplify right side
    111,626.55x = 6,147,159,963.13
  5. Step 5: Solve for x
    x = 6,147,159,963.13/111,626.55
  6. Step 6: Final answer
    x = 55,068.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.