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Finding the Fourth Proportional to 111,656.88, 167,391.16 and 48,429.39

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Solution

The fourth proportional to 111,656.88, 167,391.16 and 48,429.39 is: 72,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.88 : 167,391.16 = 48,429.39 : x
  2. Step 2: Convert to fraction form
    111,656.88/167,391.16 = 48,429.39/x
  3. Step 3: Cross multiply
    111,656.88x = 167,391.16 × 48,429.39
  4. Step 4: Simplify right side
    111,656.88x = 8,106,652,276.84
  5. Step 5: Solve for x
    x = 8,106,652,276.84/111,656.88
  6. Step 6: Final answer
    x = 72,603.25

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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.