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Finding the Fourth Proportional to 248,143.40, 372,215.10 and 181,269.80

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Solution

The fourth proportional to 248,143.40, 372,215.10 and 181,269.80 is: 271,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,143.40 : 372,215.10 = 181,269.80 : x
  2. Step 2: Convert to fraction form
    248,143.40/372,215.10 = 181,269.80/x
  3. Step 3: Cross multiply
    248,143.40x = 372,215.10 × 181,269.80
  4. Step 4: Simplify right side
    248,143.40x = 67,471,356,733.98
  5. Step 5: Solve for x
    x = 67,471,356,733.98/248,143.40
  6. Step 6: Final answer
    x = 271,904.70

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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.