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Finding the Fourth Proportional to 204,030.70, 306,046.05 and 162,040.30

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Solution

The fourth proportional to 204,030.70, 306,046.05 and 162,040.30 is: 243,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.70 : 306,046.05 = 162,040.30 : x
  2. Step 2: Convert to fraction form
    204,030.70/306,046.05 = 162,040.30/x
  3. Step 3: Cross multiply
    204,030.70x = 306,046.05 × 162,040.30
  4. Step 4: Simplify right side
    204,030.70x = 49,591,793,755.82
  5. Step 5: Solve for x
    x = 49,591,793,755.82/204,030.70
  6. Step 6: Final answer
    x = 243,060.45

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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.