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Finding the Fourth Proportional to 269,681.81, 372,021.92 and 167,668.59

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Solution

The fourth proportional to 269,681.81, 372,021.92 and 167,668.59 is: 231,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,681.81 : 372,021.92 = 167,668.59 : x
  2. Step 2: Convert to fraction form
    269,681.81/372,021.92 = 167,668.59/x
  3. Step 3: Cross multiply
    269,681.81x = 372,021.92 × 167,668.59
  4. Step 4: Simplify right side
    269,681.81x = 62,376,390,775.49
  5. Step 5: Solve for x
    x = 62,376,390,775.49/269,681.81
  6. Step 6: Final answer
    x = 231,296.25

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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.