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Finding the Fourth Proportional to 178,380.50, 246,155.63 and 101,884.57

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Solution

The fourth proportional to 178,380.50, 246,155.63 and 101,884.57 is: 140,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,380.50 : 246,155.63 = 101,884.57 : x
  2. Step 2: Convert to fraction form
    178,380.50/246,155.63 = 101,884.57/x
  3. Step 3: Cross multiply
    178,380.50x = 246,155.63 × 101,884.57
  4. Step 4: Simplify right side
    178,380.50x = 25,079,459,390.82
  5. Step 5: Solve for x
    x = 25,079,459,390.82/178,380.50
  6. Step 6: Final answer
    x = 140,595.30

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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.