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Finding the Fourth Proportional to 162,778.96, 244,259.16 and 87,897.52

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Solution

The fourth proportional to 162,778.96, 244,259.16 and 87,897.52 is: 131,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,778.96 : 244,259.16 = 87,897.52 : x
  2. Step 2: Convert to fraction form
    162,778.96/244,259.16 = 87,897.52/x
  3. Step 3: Cross multiply
    162,778.96x = 244,259.16 × 87,897.52
  4. Step 4: Simplify right side
    162,778.96x = 21,469,774,401.28
  5. Step 5: Solve for x
    x = 21,469,774,401.28/162,778.96
  6. Step 6: Final answer
    x = 131,895.27

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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.