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Finding the Fourth Proportional to 111,970.32, 167,897.16 and 41,791.92

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Solution

The fourth proportional to 111,970.32, 167,897.16 and 41,791.92 is: 62,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,970.32 : 167,897.16 = 41,791.92 : x
  2. Step 2: Convert to fraction form
    111,970.32/167,897.16 = 41,791.92/x
  3. Step 3: Cross multiply
    111,970.32x = 167,897.16 × 41,791.92
  4. Step 4: Simplify right side
    111,970.32x = 7,016,744,678.95
  5. Step 5: Solve for x
    x = 7,016,744,678.95/111,970.32
  6. Step 6: Final answer
    x = 62,666.11

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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.