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Finding the Fourth Proportional to 186,980.80, 280,472.80 and 62,321.80

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Solution

The fourth proportional to 186,980.80, 280,472.80 and 62,321.80 is: 93,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,980.80 : 280,472.80 = 62,321.80 : x
  2. Step 2: Convert to fraction form
    186,980.80/280,472.80 = 62,321.80/x
  3. Step 3: Cross multiply
    186,980.80x = 280,472.80 × 62,321.80
  4. Step 4: Simplify right side
    186,980.80x = 17,479,569,747.04
  5. Step 5: Solve for x
    x = 17,479,569,747.04/186,980.80
  6. Step 6: Final answer
    x = 93,483.23

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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.