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Finding the Fourth Proportional to 243,614.54, 336,190.22 and 134,726.26

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Solution

The fourth proportional to 243,614.54, 336,190.22 and 134,726.26 is: 185,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,614.54 : 336,190.22 = 134,726.26 : x
  2. Step 2: Convert to fraction form
    243,614.54/336,190.22 = 134,726.26/x
  3. Step 3: Cross multiply
    243,614.54x = 336,190.22 × 134,726.26
  4. Step 4: Simplify right side
    243,614.54x = 45,293,651,935.10
  5. Step 5: Solve for x
    x = 45,293,651,935.10/243,614.54
  6. Step 6: Final answer
    x = 185,923.44

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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.