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Finding the Fourth Proportional to 101,208.98, 151,813.98 and 42,044.72

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Solution

The fourth proportional to 101,208.98, 151,813.98 and 42,044.72 is: 63,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,208.98 : 151,813.98 = 42,044.72 : x
  2. Step 2: Convert to fraction form
    101,208.98/151,813.98 = 42,044.72/x
  3. Step 3: Cross multiply
    101,208.98x = 151,813.98 × 42,044.72
  4. Step 4: Simplify right side
    101,208.98x = 6,382,976,281.19
  5. Step 5: Solve for x
    x = 6,382,976,281.19/101,208.98
  6. Step 6: Final answer
    x = 63,067.29

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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.