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Finding the Fourth Proportional to 272,519.51, 408,843.95 and 92,616.89

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Solution

The fourth proportional to 272,519.51, 408,843.95 and 92,616.89 is: 138,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,519.51 : 408,843.95 = 92,616.89 : x
  2. Step 2: Convert to fraction form
    272,519.51/408,843.95 = 92,616.89/x
  3. Step 3: Cross multiply
    272,519.51x = 408,843.95 × 92,616.89
  4. Step 4: Simplify right side
    272,519.51x = 37,865,852,637.01
  5. Step 5: Solve for x
    x = 37,865,852,637.01/272,519.51
  6. Step 6: Final answer
    x = 138,947.31

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1.5x scale

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.