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Finding the Fourth Proportional to 162,788.70, 224,660.30 and 98,273.80

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Solution

The fourth proportional to 162,788.70, 224,660.30 and 98,273.80 is: 135,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,788.70 : 224,660.30 = 98,273.80 : x
  2. Step 2: Convert to fraction form
    162,788.70/224,660.30 = 98,273.80/x
  3. Step 3: Cross multiply
    162,788.70x = 224,660.30 × 98,273.80
  4. Step 4: Simplify right side
    162,788.70x = 22,078,220,337.12
  5. Step 5: Solve for x
    x = 22,078,220,337.12/162,788.70
  6. Step 6: Final answer
    x = 135,625.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.