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Finding the Fourth Proportional to 186,162.52, 256,900.70 and 103,373.68

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Solution

The fourth proportional to 186,162.52, 256,900.70 and 103,373.68 is: 142,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,162.52 : 256,900.70 = 103,373.68 : x
  2. Step 2: Convert to fraction form
    186,162.52/256,900.70 = 103,373.68/x
  3. Step 3: Cross multiply
    186,162.52x = 256,900.70 × 103,373.68
  4. Step 4: Simplify right side
    186,162.52x = 26,556,770,753.58
  5. Step 5: Solve for x
    x = 26,556,770,753.58/186,162.52
  6. Step 6: Final answer
    x = 142,653.69

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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.