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Finding the Fourth Proportional to 248,112.60, 372,168.90 and 227,117.40

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Solution

The fourth proportional to 248,112.60, 372,168.90 and 227,117.40 is: 340,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,112.60 : 372,168.90 = 227,117.40 : x
  2. Step 2: Convert to fraction form
    248,112.60/372,168.90 = 227,117.40/x
  3. Step 3: Cross multiply
    248,112.60x = 372,168.90 × 227,117.40
  4. Step 4: Simplify right side
    248,112.60x = 84,526,032,928.86
  5. Step 5: Solve for x
    x = 84,526,032,928.86/248,112.60
  6. Step 6: Final answer
    x = 340,676.10

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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.