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Finding the Fourth Proportional to 248,393.31, 372,581.38 and 70,900.30

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Solution

The fourth proportional to 248,393.31, 372,581.38 and 70,900.30 is: 106,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,393.31 : 372,581.38 = 70,900.30 : x
  2. Step 2: Convert to fraction form
    248,393.31/372,581.38 = 70,900.30/x
  3. Step 3: Cross multiply
    248,393.31x = 372,581.38 × 70,900.30
  4. Step 4: Simplify right side
    248,393.31x = 26,416,131,616.41
  5. Step 5: Solve for x
    x = 26,416,131,616.41/248,393.31
  6. Step 6: Final answer
    x = 106,348.00

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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.