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Finding the Fourth Proportional to 201,616.20, 302,424.30 and 164,291.40

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Solution

The fourth proportional to 201,616.20, 302,424.30 and 164,291.40 is: 246,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,616.20 : 302,424.30 = 164,291.40 : x
  2. Step 2: Convert to fraction form
    201,616.20/302,424.30 = 164,291.40/x
  3. Step 3: Cross multiply
    201,616.20x = 302,424.30 × 164,291.40
  4. Step 4: Simplify right side
    201,616.20x = 49,685,711,641.02
  5. Step 5: Solve for x
    x = 49,685,711,641.02/201,616.20
  6. Step 6: Final answer
    x = 246,437.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.