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Finding the Fourth Proportional to 111,398.87, 167,142.06 and 49,025.63

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Solution

The fourth proportional to 111,398.87, 167,142.06 and 49,025.63 is: 73,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,398.87 : 167,142.06 = 49,025.63 : x
  2. Step 2: Convert to fraction form
    111,398.87/167,142.06 = 49,025.63/x
  3. Step 3: Cross multiply
    111,398.87x = 167,142.06 × 49,025.63
  4. Step 4: Simplify right side
    111,398.87x = 8,194,243,955.29
  5. Step 5: Solve for x
    x = 8,194,243,955.29/111,398.87
  6. Step 6: Final answer
    x = 73,557.70

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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.