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Finding the Fourth Proportional to 248,185.71, 372,278.57 and 148,374.45

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Solution

The fourth proportional to 248,185.71, 372,278.57 and 148,374.45 is: 222,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,185.71 : 372,278.57 = 148,374.45 : x
  2. Step 2: Convert to fraction form
    248,185.71/372,278.57 = 148,374.45/x
  3. Step 3: Cross multiply
    248,185.71x = 372,278.57 × 148,374.45
  4. Step 4: Simplify right side
    248,185.71x = 55,236,629,209.36
  5. Step 5: Solve for x
    x = 55,236,629,209.36/248,185.71
  6. Step 6: Final answer
    x = 222,561.68

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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.