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Finding the Fourth Proportional to 111,910.47, 167,816.45 and 59,307.63

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Solution

The fourth proportional to 111,910.47, 167,816.45 and 59,307.63 is: 88,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,910.47 : 167,816.45 = 59,307.63 : x
  2. Step 2: Convert to fraction form
    111,910.47/167,816.45 = 59,307.63/x
  3. Step 3: Cross multiply
    111,910.47x = 167,816.45 × 59,307.63
  4. Step 4: Simplify right side
    111,910.47x = 9,952,795,627.98
  5. Step 5: Solve for x
    x = 9,952,795,627.98/111,910.47
  6. Step 6: Final answer
    x = 88,935.34

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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.