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Finding the Fourth Proportional to 248,052.60, 372,078.90 and 159,479.10

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Solution

The fourth proportional to 248,052.60, 372,078.90 and 159,479.10 is: 239,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,052.60 : 372,078.90 = 159,479.10 : x
  2. Step 2: Convert to fraction form
    248,052.60/372,078.90 = 159,479.10/x
  3. Step 3: Cross multiply
    248,052.60x = 372,078.90 × 159,479.10
  4. Step 4: Simplify right side
    248,052.60x = 59,338,808,100.99
  5. Step 5: Solve for x
    x = 59,338,808,100.99/248,052.60
  6. Step 6: Final answer
    x = 239,218.65

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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.