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Finding the Fourth Proportional to 111,895.41, 167,841.47 and 27,655.59

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Solution

The fourth proportional to 111,895.41, 167,841.47 and 27,655.59 is: 41,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.41 : 167,841.47 = 27,655.59 : x
  2. Step 2: Convert to fraction form
    111,895.41/167,841.47 = 27,655.59/x
  3. Step 3: Cross multiply
    111,895.41x = 167,841.47 × 27,655.59
  4. Step 4: Simplify right side
    111,895.41x = 4,641,754,040.11
  5. Step 5: Solve for x
    x = 4,641,754,040.11/111,895.41
  6. Step 6: Final answer
    x = 41,482.97

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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.