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Finding the Fourth Proportional to 248,234.20, 372,365.70 and 70,754.20

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Solution

The fourth proportional to 248,234.20, 372,365.70 and 70,754.20 is: 106,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,234.20 : 372,365.70 = 70,754.20 : x
  2. Step 2: Convert to fraction form
    248,234.20/372,365.70 = 70,754.20/x
  3. Step 3: Cross multiply
    248,234.20x = 372,365.70 × 70,754.20
  4. Step 4: Simplify right side
    248,234.20x = 26,346,437,210.94
  5. Step 5: Solve for x
    x = 26,346,437,210.94/248,234.20
  6. Step 6: Final answer
    x = 106,135.40

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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.