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Finding the Fourth Proportional to 192,412.64, 265,357.54 and 120,799.34

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Solution

The fourth proportional to 192,412.64, 265,357.54 and 120,799.34 is: 166,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,412.64 : 265,357.54 = 120,799.34 : x
  2. Step 2: Convert to fraction form
    192,412.64/265,357.54 = 120,799.34/x
  3. Step 3: Cross multiply
    192,412.64x = 265,357.54 × 120,799.34
  4. Step 4: Simplify right side
    192,412.64x = 32,055,015,696.02
  5. Step 5: Solve for x
    x = 32,055,015,696.02/192,412.64
  6. Step 6: Final answer
    x = 166,595.17

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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.