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Finding the Fourth Proportional to 171,359.70, 236,053.84 and 145,784.14

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Solution

The fourth proportional to 171,359.70, 236,053.84 and 145,784.14 is: 200,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,359.70 : 236,053.84 = 145,784.14 : x
  2. Step 2: Convert to fraction form
    171,359.70/236,053.84 = 145,784.14/x
  3. Step 3: Cross multiply
    171,359.70x = 236,053.84 × 145,784.14
  4. Step 4: Simplify right side
    171,359.70x = 34,412,906,058.10
  5. Step 5: Solve for x
    x = 34,412,906,058.10/171,359.70
  6. Step 6: Final answer
    x = 200,822.63

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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.