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Finding the Fourth Proportional to 186,765.75, 257,737.50 and 101,884.59

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Solution

The fourth proportional to 186,765.75, 257,737.50 and 101,884.59 is: 140,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,765.75 : 257,737.50 = 101,884.59 : x
  2. Step 2: Convert to fraction form
    186,765.75/257,737.50 = 101,884.59/x
  3. Step 3: Cross multiply
    186,765.75x = 257,737.50 × 101,884.59
  4. Step 4: Simplify right side
    186,765.75x = 26,259,479,515.13
  5. Step 5: Solve for x
    x = 26,259,479,515.13/186,765.75
  6. Step 6: Final answer
    x = 140,601.15

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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.