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Finding the Fourth Proportional to 236,089.68, 325,799.46 and 128,660.64

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Solution

The fourth proportional to 236,089.68, 325,799.46 and 128,660.64 is: 177,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,089.68 : 325,799.46 = 128,660.64 : x
  2. Step 2: Convert to fraction form
    236,089.68/325,799.46 = 128,660.64/x
  3. Step 3: Cross multiply
    236,089.68x = 325,799.46 × 128,660.64
  4. Step 4: Simplify right side
    236,089.68x = 41,917,567,035.25
  5. Step 5: Solve for x
    x = 41,917,567,035.25/236,089.68
  6. Step 6: Final answer
    x = 177,549.34

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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.