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Finding the Fourth Proportional to 186,974.80, 280,463.80 and 62,315.80

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Solution

The fourth proportional to 186,974.80, 280,463.80 and 62,315.80 is: 93,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,974.80 : 280,463.80 = 62,315.80 : x
  2. Step 2: Convert to fraction form
    186,974.80/280,463.80 = 62,315.80/x
  3. Step 3: Cross multiply
    186,974.80x = 280,463.80 × 62,315.80
  4. Step 4: Simplify right side
    186,974.80x = 17,477,326,068.04
  5. Step 5: Solve for x
    x = 17,477,326,068.04/186,974.80
  6. Step 6: Final answer
    x = 93,474.23

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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.