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Finding the Fourth Proportional to 240,927.90, 360,954.45 and 147,324.30

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Solution

The fourth proportional to 240,927.90, 360,954.45 and 147,324.30 is: 220,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,927.90 : 360,954.45 = 147,324.30 : x
  2. Step 2: Convert to fraction form
    240,927.90/360,954.45 = 147,324.30/x
  3. Step 3: Cross multiply
    240,927.90x = 360,954.45 × 147,324.30
  4. Step 4: Simplify right side
    240,927.90x = 53,177,361,678.14
  5. Step 5: Solve for x
    x = 53,177,361,678.14/240,927.90
  6. Step 6: Final answer
    x = 220,718.99

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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.