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Finding the Fourth Proportional to 178,070.87, 267,250.32 and 137,994.82

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Solution

The fourth proportional to 178,070.87, 267,250.32 and 137,994.82 is: 207,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,070.87 : 267,250.32 = 137,994.82 : x
  2. Step 2: Convert to fraction form
    178,070.87/267,250.32 = 137,994.82/x
  3. Step 3: Cross multiply
    178,070.87x = 267,250.32 × 137,994.82
  4. Step 4: Simplify right side
    178,070.87x = 36,879,159,135.22
  5. Step 5: Solve for x
    x = 36,879,159,135.22/178,070.87
  6. Step 6: Final answer
    x = 207,103.83

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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.