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Finding the Fourth Proportional to 248,118.70, 372,287.40 and 114,930.40

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Solution

The fourth proportional to 248,118.70, 372,287.40 and 114,930.40 is: 172,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,118.70 : 372,287.40 = 114,930.40 : x
  2. Step 2: Convert to fraction form
    248,118.70/372,287.40 = 114,930.40/x
  3. Step 3: Cross multiply
    248,118.70x = 372,287.40 × 114,930.40
  4. Step 4: Simplify right side
    248,118.70x = 42,787,139,796.96
  5. Step 5: Solve for x
    x = 42,787,139,796.96/248,118.70
  6. Step 6: Final answer
    x = 172,446.25

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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.