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Finding the Fourth Proportional to 111,808.48, 167,686.80 and 32,901.60

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Solution

The fourth proportional to 111,808.48, 167,686.80 and 32,901.60 is: 49,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,808.48 : 167,686.80 = 32,901.60 : x
  2. Step 2: Convert to fraction form
    111,808.48/167,686.80 = 32,901.60/x
  3. Step 3: Cross multiply
    111,808.48x = 167,686.80 × 32,901.60
  4. Step 4: Simplify right side
    111,808.48x = 5,517,164,018.88
  5. Step 5: Solve for x
    x = 5,517,164,018.88/111,808.48
  6. Step 6: Final answer
    x = 49,344.77

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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.