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Finding the Fourth Proportional to 186,502.73, 257,373.81 and 101,619.80

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Solution

The fourth proportional to 186,502.73, 257,373.81 and 101,619.80 is: 140,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502.73 : 257,373.81 = 101,619.80 : x
  2. Step 2: Convert to fraction form
    186,502.73/257,373.81 = 101,619.80/x
  3. Step 3: Cross multiply
    186,502.73x = 257,373.81 × 101,619.80
  4. Step 4: Simplify right side
    186,502.73x = 26,154,275,097.44
  5. Step 5: Solve for x
    x = 26,154,275,097.44/186,502.73
  6. Step 6: Final answer
    x = 140,235.35

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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.