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Finding the Fourth Proportional to 111,684.96, 167,368.41 and 55,469.97

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Solution

The fourth proportional to 111,684.96, 167,368.41 and 55,469.97 is: 83,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,684.96 : 167,368.41 = 55,469.97 : x
  2. Step 2: Convert to fraction form
    111,684.96/167,368.41 = 55,469.97/x
  3. Step 3: Cross multiply
    111,684.96x = 167,368.41 × 55,469.97
  4. Step 4: Simplify right side
    111,684.96x = 9,283,920,681.65
  5. Step 5: Solve for x
    x = 9,283,920,681.65/111,684.96
  6. Step 6: Final answer
    x = 83,125.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.