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Finding the Fourth Proportional to 144,702.62, 217,187.14 and 73,676.02

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Solution

The fourth proportional to 144,702.62, 217,187.14 and 73,676.02 is: 110,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,702.62 : 217,187.14 = 73,676.02 : x
  2. Step 2: Convert to fraction form
    144,702.62/217,187.14 = 73,676.02/x
  3. Step 3: Cross multiply
    144,702.62x = 217,187.14 × 73,676.02
  4. Step 4: Simplify right side
    144,702.62x = 16,001,484,070.38
  5. Step 5: Solve for x
    x = 16,001,484,070.38/144,702.62
  6. Step 6: Final answer
    x = 110,581.85

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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.