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Finding the Fourth Proportional to 235,997.33, 325,674.62 and 128,567.34

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Solution

The fourth proportional to 235,997.33, 325,674.62 and 128,567.34 is: 177,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,997.33 : 325,674.62 = 128,567.34 : x
  2. Step 2: Convert to fraction form
    235,997.33/325,674.62 = 128,567.34/x
  3. Step 3: Cross multiply
    235,997.33x = 325,674.62 × 128,567.34
  4. Step 4: Simplify right side
    235,997.33x = 41,871,118,956.07
  5. Step 5: Solve for x
    x = 41,871,118,956.07/235,997.33
  6. Step 6: Final answer
    x = 177,422.01

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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.