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Finding the Fourth Proportional to 162,563.67, 224,348.85 and 90,950.40

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Solution

The fourth proportional to 162,563.67, 224,348.85 and 90,950.40 is: 125,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,563.67 : 224,348.85 = 90,950.40 : x
  2. Step 2: Convert to fraction form
    162,563.67/224,348.85 = 90,950.40/x
  3. Step 3: Cross multiply
    162,563.67x = 224,348.85 × 90,950.40
  4. Step 4: Simplify right side
    162,563.67x = 20,404,617,647.04
  5. Step 5: Solve for x
    x = 20,404,617,647.04/162,563.67
  6. Step 6: Final answer
    x = 125,517.70

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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.