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Finding the Fourth Proportional to 216,632.33, 324,845.93 and 126,701.06

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Solution

The fourth proportional to 216,632.33, 324,845.93 and 126,701.06 is: 189,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,632.33 : 324,845.93 = 126,701.06 : x
  2. Step 2: Convert to fraction form
    216,632.33/324,845.93 = 126,701.06/x
  3. Step 3: Cross multiply
    216,632.33x = 324,845.93 × 126,701.06
  4. Step 4: Simplify right side
    216,632.33x = 41,158,323,667.69
  5. Step 5: Solve for x
    x = 41,158,323,667.69/216,632.33
  6. Step 6: Final answer
    x = 189,991.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.