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Finding the Fourth Proportional to 192,164.09, 286,984.54 and 163,781.69

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Solution

The fourth proportional to 192,164.09, 286,984.54 and 163,781.69 is: 244,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,164.09 : 286,984.54 = 163,781.69 : x
  2. Step 2: Convert to fraction form
    192,164.09/286,984.54 = 163,781.69/x
  3. Step 3: Cross multiply
    192,164.09x = 286,984.54 × 163,781.69
  4. Step 4: Simplify right side
    192,164.09x = 47,002,812,146.16
  5. Step 5: Solve for x
    x = 47,002,812,146.16/192,164.09
  6. Step 6: Final answer
    x = 244,597.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.