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Finding the Fourth Proportional to 200,871.06, 301,355.31 and 60,621.30

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Solution

The fourth proportional to 200,871.06, 301,355.31 and 60,621.30 is: 90,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,871.06 : 301,355.31 = 60,621.30 : x
  2. Step 2: Convert to fraction form
    200,871.06/301,355.31 = 60,621.30/x
  3. Step 3: Cross multiply
    200,871.06x = 301,355.31 × 60,621.30
  4. Step 4: Simplify right side
    200,871.06x = 18,268,550,654.10
  5. Step 5: Solve for x
    x = 18,268,550,654.10/200,871.06
  6. Step 6: Final answer
    x = 90,946.65

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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.