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Finding the Fourth Proportional to 162,788.92, 244,266.72 and 77,496.30

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Solution

The fourth proportional to 162,788.92, 244,266.72 and 77,496.30 is: 116,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,788.92 : 244,266.72 = 77,496.30 : x
  2. Step 2: Convert to fraction form
    162,788.92/244,266.72 = 77,496.30/x
  3. Step 3: Cross multiply
    162,788.92x = 244,266.72 × 77,496.30
  4. Step 4: Simplify right side
    162,788.92x = 18,929,767,013.14
  5. Step 5: Solve for x
    x = 18,929,767,013.14/162,788.92
  6. Step 6: Final answer
    x = 116,284.12

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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.