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Finding the Fourth Proportional to 162,753.30, 243,984.15 and 106,620.30

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Solution

The fourth proportional to 162,753.30, 243,984.15 and 106,620.30 is: 159,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,753.30 : 243,984.15 = 106,620.30 : x
  2. Step 2: Convert to fraction form
    162,753.30/243,984.15 = 106,620.30/x
  3. Step 3: Cross multiply
    162,753.30x = 243,984.15 × 106,620.30
  4. Step 4: Simplify right side
    162,753.30x = 26,013,663,268.25
  5. Step 5: Solve for x
    x = 26,013,663,268.25/162,753.30
  6. Step 6: Final answer
    x = 159,834.94

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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.