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Finding the Fourth Proportional to 204,030.90, 306,046.35 and 164,664.90

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Solution

The fourth proportional to 204,030.90, 306,046.35 and 164,664.90 is: 246,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.90 : 306,046.35 = 164,664.90 : x
  2. Step 2: Convert to fraction form
    204,030.90/306,046.35 = 164,664.90/x
  3. Step 3: Cross multiply
    204,030.90x = 306,046.35 × 164,664.90
  4. Step 4: Simplify right side
    204,030.90x = 50,395,091,618.12
  5. Step 5: Solve for x
    x = 50,395,091,618.12/204,030.90
  6. Step 6: Final answer
    x = 246,997.35

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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.