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Finding the Fourth Proportional to 248,797.64, 343,328.34 and 141,353.48

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Solution

The fourth proportional to 248,797.64, 343,328.34 and 141,353.48 is: 195,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,797.64 : 343,328.34 = 141,353.48 : x
  2. Step 2: Convert to fraction form
    248,797.64/343,328.34 = 141,353.48/x
  3. Step 3: Cross multiply
    248,797.64x = 343,328.34 × 141,353.48
  4. Step 4: Simplify right side
    248,797.64x = 48,530,655,641.62
  5. Step 5: Solve for x
    x = 48,530,655,641.62/248,797.64
  6. Step 6: Final answer
    x = 195,060.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.