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Finding the Fourth Proportional to 186,808.87, 257,797.25 and 101,927.76

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Solution

The fourth proportional to 186,808.87, 257,797.25 and 101,927.76 is: 140,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,808.87 : 257,797.25 = 101,927.76 : x
  2. Step 2: Convert to fraction form
    186,808.87/257,797.25 = 101,927.76/x
  3. Step 3: Cross multiply
    186,808.87x = 257,797.25 × 101,927.76
  4. Step 4: Simplify right side
    186,808.87x = 26,276,696,226.66
  5. Step 5: Solve for x
    x = 26,276,696,226.66/186,808.87
  6. Step 6: Final answer
    x = 140,660.86

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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.