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Finding the Fourth Proportional to 248,000.70, 372,001.05 and 148,467.90

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Solution

The fourth proportional to 248,000.70, 372,001.05 and 148,467.90 is: 222,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,000.70 : 372,001.05 = 148,467.90 : x
  2. Step 2: Convert to fraction form
    248,000.70/372,001.05 = 148,467.90/x
  3. Step 3: Cross multiply
    248,000.70x = 372,001.05 × 148,467.90
  4. Step 4: Simplify right side
    248,000.70x = 55,230,214,691.30
  5. Step 5: Solve for x
    x = 55,230,214,691.30/248,000.70
  6. Step 6: Final answer
    x = 222,701.85

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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.