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Finding the Fourth Proportional to 150,324.71, 206,975.99 and 127,616.63

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Solution

The fourth proportional to 150,324.71, 206,975.99 and 127,616.63 is: 175,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,324.71 : 206,975.99 = 127,616.63 : x
  2. Step 2: Convert to fraction form
    150,324.71/206,975.99 = 127,616.63/x
  3. Step 3: Cross multiply
    150,324.71x = 206,975.99 × 127,616.63
  4. Step 4: Simplify right side
    150,324.71x = 26,413,577,618.88
  5. Step 5: Solve for x
    x = 26,413,577,618.88/150,324.71
  6. Step 6: Final answer
    x = 175,710.16

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1.5x scale

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.