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Finding the Fourth Proportional to 248,163, 342,191.28 and 171,549.08

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Solution

The fourth proportional to 248,163, 342,191.28 and 171,549.08 is: 236,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,163 : 342,191.28 = 171,549.08 : x
  2. Step 2: Convert to fraction form
    248,163/342,191.28 = 171,549.08/x
  3. Step 3: Cross multiply
    248,163x = 342,191.28 × 171,549.08
  4. Step 4: Simplify right side
    248,163x = 58,702,599,268.02
  5. Step 5: Solve for x
    x = 58,702,599,268.02/248,163
  6. Step 6: Final answer
    x = 236,548.56

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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.