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Finding the Fourth Proportional to 253,909.18, 350,212.71 and 167,768.38

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Solution

The fourth proportional to 253,909.18, 350,212.71 and 167,768.38 is: 231,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,909.18 : 350,212.71 = 167,768.38 : x
  2. Step 2: Convert to fraction form
    253,909.18/350,212.71 = 167,768.38/x
  3. Step 3: Cross multiply
    253,909.18x = 350,212.71 × 167,768.38
  4. Step 4: Simplify right side
    253,909.18x = 58,754,619,012.11
  5. Step 5: Solve for x
    x = 58,754,619,012.11/253,909.18
  6. Step 6: Final answer
    x = 231,400.14

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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.