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Finding the Fourth Proportional to 248,157.83, 372,055.28 and 79,582.20

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Solution

The fourth proportional to 248,157.83, 372,055.28 and 79,582.20 is: 119,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,157.83 : 372,055.28 = 79,582.20 : x
  2. Step 2: Convert to fraction form
    248,157.83/372,055.28 = 79,582.20/x
  3. Step 3: Cross multiply
    248,157.83x = 372,055.28 × 79,582.20
  4. Step 4: Simplify right side
    248,157.83x = 29,608,975,910.90
  5. Step 5: Solve for x
    x = 29,608,975,910.90/248,157.83
  6. Step 6: Final answer
    x = 119,315.10

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1.5x scale

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.