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Finding the Fourth Proportional to 186,246.78, 279,370.17 and 46,008.06

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Solution

The fourth proportional to 186,246.78, 279,370.17 and 46,008.06 is: 69,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,246.78 : 279,370.17 = 46,008.06 : x
  2. Step 2: Convert to fraction form
    186,246.78/279,370.17 = 46,008.06/x
  3. Step 3: Cross multiply
    186,246.78x = 279,370.17 × 46,008.06
  4. Step 4: Simplify right side
    186,246.78x = 12,853,279,543.57
  5. Step 5: Solve for x
    x = 12,853,279,543.57/186,246.78
  6. Step 6: Final answer
    x = 69,012.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.