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Finding the Fourth Proportional to 109,504, 151,115.88 and 59,203.36

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Solution

The fourth proportional to 109,504, 151,115.88 and 59,203.36 is: 81,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504 : 151,115.88 = 59,203.36 : x
  2. Step 2: Convert to fraction form
    109,504/151,115.88 = 59,203.36/x
  3. Step 3: Cross multiply
    109,504x = 151,115.88 × 59,203.36
  4. Step 4: Simplify right side
    109,504x = 8,946,567,845.36
  5. Step 5: Solve for x
    x = 8,946,567,845.36/109,504
  6. Step 6: Final answer
    x = 81,700.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.