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Finding the Fourth Proportional to 192,996.96, 266,259.16 and 120,357.12

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Solution

The fourth proportional to 192,996.96, 266,259.16 and 120,357.12 is: 166,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,996.96 : 266,259.16 = 120,357.12 : x
  2. Step 2: Convert to fraction form
    192,996.96/266,259.16 = 120,357.12/x
  3. Step 3: Cross multiply
    192,996.96x = 266,259.16 × 120,357.12
  4. Step 4: Simplify right side
    192,996.96x = 32,046,185,671.22
  5. Step 5: Solve for x
    x = 32,046,185,671.22/192,996.96
  6. Step 6: Final answer
    x = 166,045.03

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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.