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Finding the Fourth Proportional to 248,660.81, 372,990.87 and 115,468.23

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Solution

The fourth proportional to 248,660.81, 372,990.87 and 115,468.23 is: 173,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,660.81 : 372,990.87 = 115,468.23 : x
  2. Step 2: Convert to fraction form
    248,660.81/372,990.87 = 115,468.23/x
  3. Step 3: Cross multiply
    248,660.81x = 372,990.87 × 115,468.23
  4. Step 4: Simplify right side
    248,660.81x = 43,068,595,565.06
  5. Step 5: Solve for x
    x = 43,068,595,565.06/248,660.81
  6. Step 6: Final answer
    x = 173,202.18

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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.