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Finding the Fourth Proportional to 186,744.20, 280,116.30 and 62,085.20

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Solution

The fourth proportional to 186,744.20, 280,116.30 and 62,085.20 is: 93,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,744.20 : 280,116.30 = 62,085.20 : x
  2. Step 2: Convert to fraction form
    186,744.20/280,116.30 = 62,085.20/x
  3. Step 3: Cross multiply
    186,744.20x = 280,116.30 × 62,085.20
  4. Step 4: Simplify right side
    186,744.20x = 17,391,076,508.76
  5. Step 5: Solve for x
    x = 17,391,076,508.76/186,744.20
  6. Step 6: Final answer
    x = 93,127.80

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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.