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Finding the Fourth Proportional to 186,855.50, 257,861.39 and 101,974.38

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Solution

The fourth proportional to 186,855.50, 257,861.39 and 101,974.38 is: 140,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,855.50 : 257,861.39 = 101,974.38 : x
  2. Step 2: Convert to fraction form
    186,855.50/257,861.39 = 101,974.38/x
  3. Step 3: Cross multiply
    186,855.50x = 257,861.39 × 101,974.38
  4. Step 4: Simplify right side
    186,855.50x = 26,295,255,371.19
  5. Step 5: Solve for x
    x = 26,295,255,371.19/186,855.50
  6. Step 6: Final answer
    x = 140,725.08

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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.