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Finding the Fourth Proportional to 111,702.69, 167,552.28 and 40,624.38

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Solution

The fourth proportional to 111,702.69, 167,552.28 and 40,624.38 is: 60,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702.69 : 167,552.28 = 40,624.38 : x
  2. Step 2: Convert to fraction form
    111,702.69/167,552.28 = 40,624.38/x
  3. Step 3: Cross multiply
    111,702.69x = 167,552.28 × 40,624.38
  4. Step 4: Simplify right side
    111,702.69x = 6,806,707,492.59
  5. Step 5: Solve for x
    x = 6,806,707,492.59/111,702.69
  6. Step 6: Final answer
    x = 60,935.93

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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.