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Finding the Fourth Proportional to 248,003.70, 372,005.55 and 148,470.90

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Solution

The fourth proportional to 248,003.70, 372,005.55 and 148,470.90 is: 222,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,003.70 : 372,005.55 = 148,470.90 : x
  2. Step 2: Convert to fraction form
    248,003.70/372,005.55 = 148,470.90/x
  3. Step 3: Cross multiply
    248,003.70x = 372,005.55 × 148,470.90
  4. Step 4: Simplify right side
    248,003.70x = 55,231,998,813.50
  5. Step 5: Solve for x
    x = 55,231,998,813.50/248,003.70
  6. Step 6: Final answer
    x = 222,706.35

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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.