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Finding the Fourth Proportional to 186,687.60, 280,031.40 and 62,028.60

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Solution

The fourth proportional to 186,687.60, 280,031.40 and 62,028.60 is: 93,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,687.60 : 280,031.40 = 62,028.60 : x
  2. Step 2: Convert to fraction form
    186,687.60/280,031.40 = 62,028.60/x
  3. Step 3: Cross multiply
    186,687.60x = 280,031.40 × 62,028.60
  4. Step 4: Simplify right side
    186,687.60x = 17,369,955,698.04
  5. Step 5: Solve for x
    x = 17,369,955,698.04/186,687.60
  6. Step 6: Final answer
    x = 93,042.90

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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.