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Finding the Fourth Proportional to 203,276.93, 280,514.58 and 117,239.51

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Solution

The fourth proportional to 203,276.93, 280,514.58 and 117,239.51 is: 161,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,276.93 : 280,514.58 = 117,239.51 : x
  2. Step 2: Convert to fraction form
    203,276.93/280,514.58 = 117,239.51/x
  3. Step 3: Cross multiply
    203,276.93x = 280,514.58 × 117,239.51
  4. Step 4: Simplify right side
    203,276.93x = 32,887,390,504.48
  5. Step 5: Solve for x
    x = 32,887,390,504.48/203,276.93
  6. Step 6: Final answer
    x = 161,786.15

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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.