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Finding the Fourth Proportional to 216,383.52, 324,091.28 and 125,087.06

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Solution

The fourth proportional to 216,383.52, 324,091.28 and 125,087.06 is: 187,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,383.52 : 324,091.28 = 125,087.06 : x
  2. Step 2: Convert to fraction form
    216,383.52/324,091.28 = 125,087.06/x
  3. Step 3: Cross multiply
    216,383.52x = 324,091.28 × 125,087.06
  4. Step 4: Simplify right side
    216,383.52x = 40,539,625,386.84
  5. Step 5: Solve for x
    x = 40,539,625,386.84/216,383.52
  6. Step 6: Final answer
    x = 187,350.80

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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.