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Finding the Fourth Proportional to 269,678.81, 372,017.78 and 167,665.59

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Solution

The fourth proportional to 269,678.81, 372,017.78 and 167,665.59 is: 231,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,678.81 : 372,017.78 = 167,665.59 : x
  2. Step 2: Convert to fraction form
    269,678.81/372,017.78 = 167,665.59/x
  3. Step 3: Cross multiply
    269,678.81x = 372,017.78 × 167,665.59
  4. Step 4: Simplify right side
    269,678.81x = 62,374,580,993.35
  5. Step 5: Solve for x
    x = 62,374,580,993.35/269,678.81
  6. Step 6: Final answer
    x = 231,292.11

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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.