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Finding the Fourth Proportional to 216,040.40, 323,801.40 and 110,805.20

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Solution

The fourth proportional to 216,040.40, 323,801.40 and 110,805.20 is: 166,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,040.40 : 323,801.40 = 110,805.20 : x
  2. Step 2: Convert to fraction form
    216,040.40/323,801.40 = 110,805.20/x
  3. Step 3: Cross multiply
    216,040.40x = 323,801.40 × 110,805.20
  4. Step 4: Simplify right side
    216,040.40x = 35,878,878,887.28
  5. Step 5: Solve for x
    x = 35,878,878,887.28/216,040.40
  6. Step 6: Final answer
    x = 166,074.86

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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.