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Finding the Fourth Proportional to 186,544.80, 257,424.29 and 101,660.04

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Solution

The fourth proportional to 186,544.80, 257,424.29 and 101,660.04 is: 140,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,544.80 : 257,424.29 = 101,660.04 : x
  2. Step 2: Convert to fraction form
    186,544.80/257,424.29 = 101,660.04/x
  3. Step 3: Cross multiply
    186,544.80x = 257,424.29 × 101,660.04
  4. Step 4: Simplify right side
    186,544.80x = 26,169,763,618.37
  5. Step 5: Solve for x
    x = 26,169,763,618.37/186,544.80
  6. Step 6: Final answer
    x = 140,286.75

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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.