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Finding the Fourth Proportional to 254,071.86, 381,107.82 and 67,084.98

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Solution

The fourth proportional to 254,071.86, 381,107.82 and 67,084.98 is: 100,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,071.86 : 381,107.82 = 67,084.98 : x
  2. Step 2: Convert to fraction form
    254,071.86/381,107.82 = 67,084.98/x
  3. Step 3: Cross multiply
    254,071.86x = 381,107.82 × 67,084.98
  4. Step 4: Simplify right side
    254,071.86x = 25,566,610,482.54
  5. Step 5: Solve for x
    x = 25,566,610,482.54/254,071.86
  6. Step 6: Final answer
    x = 100,627.48

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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.