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Finding the Fourth Proportional to 111,554.52, 167,398.27 and 40,482.71

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Solution

The fourth proportional to 111,554.52, 167,398.27 and 40,482.71 is: 60,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.52 : 167,398.27 = 40,482.71 : x
  2. Step 2: Convert to fraction form
    111,554.52/167,398.27 = 40,482.71/x
  3. Step 3: Cross multiply
    111,554.52x = 167,398.27 × 40,482.71
  4. Step 4: Simplify right side
    111,554.52x = 6,776,735,618.91
  5. Step 5: Solve for x
    x = 6,776,735,618.91/111,554.52
  6. Step 6: Final answer
    x = 60,748.19

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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.