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Finding the Fourth Proportional to 162,388.44, 224,095.41 and 90,768.44

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Solution

The fourth proportional to 162,388.44, 224,095.41 and 90,768.44 is: 125,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,388.44 : 224,095.41 = 90,768.44 : x
  2. Step 2: Convert to fraction form
    162,388.44/224,095.41 = 90,768.44/x
  3. Step 3: Cross multiply
    162,388.44x = 224,095.41 × 90,768.44
  4. Step 4: Simplify right side
    162,388.44x = 20,340,791,337.10
  5. Step 5: Solve for x
    x = 20,340,791,337.10/162,388.44
  6. Step 6: Final answer
    x = 125,260.09

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1.5x scale

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.