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Finding the Fourth Proportional to 147,843.65, 221,710.80 and 48,007.10

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Solution

The fourth proportional to 147,843.65, 221,710.80 and 48,007.10 is: 71,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,843.65 : 221,710.80 = 48,007.10 : x
  2. Step 2: Convert to fraction form
    147,843.65/221,710.80 = 48,007.10/x
  3. Step 3: Cross multiply
    147,843.65x = 221,710.80 × 48,007.10
  4. Step 4: Simplify right side
    147,843.65x = 10,643,692,546.68
  5. Step 5: Solve for x
    x = 10,643,692,546.68/147,843.65
  6. Step 6: Final answer
    x = 71,992.90

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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.