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Finding the Fourth Proportional to 162,504.57, 243,624.74 and 67,805.30

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Solution

The fourth proportional to 162,504.57, 243,624.74 and 67,805.30 is: 101,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504.57 : 243,624.74 = 67,805.30 : x
  2. Step 2: Convert to fraction form
    162,504.57/243,624.74 = 67,805.30/x
  3. Step 3: Cross multiply
    162,504.57x = 243,624.74 × 67,805.30
  4. Step 4: Simplify right side
    162,504.57x = 16,519,047,025.97
  5. Step 5: Solve for x
    x = 16,519,047,025.97/162,504.57
  6. Step 6: Final answer
    x = 101,652.82

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1.5x scale

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.