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Finding the Fourth Proportional to 229,203.73, 316,286.14 and 127,224.22

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Solution

The fourth proportional to 229,203.73, 316,286.14 and 127,224.22 is: 175,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,203.73 : 316,286.14 = 127,224.22 : x
  2. Step 2: Convert to fraction form
    229,203.73/316,286.14 = 127,224.22/x
  3. Step 3: Cross multiply
    229,203.73x = 316,286.14 × 127,224.22
  4. Step 4: Simplify right side
    229,203.73x = 40,239,257,538.93
  5. Step 5: Solve for x
    x = 40,239,257,538.93/229,203.73
  6. Step 6: Final answer
    x = 175,561.10

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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.