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Finding the Fourth Proportional to 149,170.61, 205,843.98 and 94,718.77

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Solution

The fourth proportional to 149,170.61, 205,843.98 and 94,718.77 is: 130,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,170.61 : 205,843.98 = 94,718.77 : x
  2. Step 2: Convert to fraction form
    149,170.61/205,843.98 = 94,718.77/x
  3. Step 3: Cross multiply
    149,170.61x = 205,843.98 × 94,718.77
  4. Step 4: Simplify right side
    149,170.61x = 19,497,288,438.09
  5. Step 5: Solve for x
    x = 19,497,288,438.09/149,170.61
  6. Step 6: Final answer
    x = 130,704.62

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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.