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Finding the Fourth Proportional to 223,858.38, 335,706.93 and 74,071.02

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Solution

The fourth proportional to 223,858.38, 335,706.93 and 74,071.02 is: 111,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,858.38 : 335,706.93 = 74,071.02 : x
  2. Step 2: Convert to fraction form
    223,858.38/335,706.93 = 74,071.02/x
  3. Step 3: Cross multiply
    223,858.38x = 335,706.93 × 74,071.02
  4. Step 4: Simplify right side
    223,858.38x = 24,866,154,726.17
  5. Step 5: Solve for x
    x = 24,866,154,726.17/223,858.38
  6. Step 6: Final answer
    x = 111,079.85

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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.