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Finding the Fourth Proportional to 252,003.80, 377,495.40 and 156,942.20

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Solution

The fourth proportional to 252,003.80, 377,495.40 and 156,942.20 is: 235,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,003.80 : 377,495.40 = 156,942.20 : x
  2. Step 2: Convert to fraction form
    252,003.80/377,495.40 = 156,942.20/x
  3. Step 3: Cross multiply
    252,003.80x = 377,495.40 × 156,942.20
  4. Step 4: Simplify right side
    252,003.80x = 59,244,958,565.88
  5. Step 5: Solve for x
    x = 59,244,958,565.88/252,003.80
  6. Step 6: Final answer
    x = 235,095.50

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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.