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Finding the Fourth Proportional to 111,606.71, 167,410.07 and 40,534.68

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Solution

The fourth proportional to 111,606.71, 167,410.07 and 40,534.68 is: 60,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.71 : 167,410.07 = 40,534.68 : x
  2. Step 2: Convert to fraction form
    111,606.71/167,410.07 = 40,534.68/x
  3. Step 3: Cross multiply
    111,606.71x = 167,410.07 × 40,534.68
  4. Step 4: Simplify right side
    111,606.71x = 6,785,913,137.66
  5. Step 5: Solve for x
    x = 6,785,913,137.66/111,606.71
  6. Step 6: Final answer
    x = 60,802.02

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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.