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Finding the Fourth Proportional to 111,897.36, 167,844.96 and 52,700.64

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Solution

The fourth proportional to 111,897.36, 167,844.96 and 52,700.64 is: 79,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.36 : 167,844.96 = 52,700.64 : x
  2. Step 2: Convert to fraction form
    111,897.36/167,844.96 = 52,700.64/x
  3. Step 3: Cross multiply
    111,897.36x = 167,844.96 × 52,700.64
  4. Step 4: Simplify right side
    111,897.36x = 8,845,536,812.77
  5. Step 5: Solve for x
    x = 8,845,536,812.77/111,897.36
  6. Step 6: Final answer
    x = 79,050.45

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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.