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Finding the Fourth Proportional to 162,360.78, 224,060.41 and 90,745.44

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Solution

The fourth proportional to 162,360.78, 224,060.41 and 90,745.44 is: 125,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,360.78 : 224,060.41 = 90,745.44 : x
  2. Step 2: Convert to fraction form
    162,360.78/224,060.41 = 90,745.44/x
  3. Step 3: Cross multiply
    162,360.78x = 224,060.41 × 90,745.44
  4. Step 4: Simplify right side
    162,360.78x = 20,332,460,492.03
  5. Step 5: Solve for x
    x = 20,332,460,492.03/162,360.78
  6. Step 6: Final answer
    x = 125,230.12

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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.