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Finding the Fourth Proportional to 192,959.04, 266,146.64 and 120,398.48

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Solution

The fourth proportional to 192,959.04, 266,146.64 and 120,398.48 is: 166,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,959.04 : 266,146.64 = 120,398.48 : x
  2. Step 2: Convert to fraction form
    192,959.04/266,146.64 = 120,398.48/x
  3. Step 3: Cross multiply
    192,959.04x = 266,146.64 × 120,398.48
  4. Step 4: Simplify right side
    192,959.04x = 32,043,650,913.11
  5. Step 5: Solve for x
    x = 32,043,650,913.11/192,959.04
  6. Step 6: Final answer
    x = 166,064.52

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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.