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Finding the Fourth Proportional to 248,157.74, 372,055.13 and 79,582.10

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Solution

The fourth proportional to 248,157.74, 372,055.13 and 79,582.10 is: 119,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,157.74 : 372,055.13 = 79,582.10 : x
  2. Step 2: Convert to fraction form
    248,157.74/372,055.13 = 79,582.10/x
  3. Step 3: Cross multiply
    248,157.74x = 372,055.13 × 79,582.10
  4. Step 4: Simplify right side
    248,157.74x = 29,608,929,093.40
  5. Step 5: Solve for x
    x = 29,608,929,093.40/248,157.74
  6. Step 6: Final answer
    x = 119,314.96

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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.