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Finding the Fourth Proportional to 223,812.20, 335,603.10 and 83,498.60

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Solution

The fourth proportional to 223,812.20, 335,603.10 and 83,498.60 is: 125,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,812.20 : 335,603.10 = 83,498.60 : x
  2. Step 2: Convert to fraction form
    223,812.20/335,603.10 = 83,498.60/x
  3. Step 3: Cross multiply
    223,812.20x = 335,603.10 × 83,498.60
  4. Step 4: Simplify right side
    223,812.20x = 28,022,389,005.66
  5. Step 5: Solve for x
    x = 28,022,389,005.66/223,812.20
  6. Step 6: Final answer
    x = 125,204.92

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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.