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Finding the Fourth Proportional to 204,784.60, 307,176.90 and 202,160.20

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Solution

The fourth proportional to 204,784.60, 307,176.90 and 202,160.20 is: 303,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,784.60 : 307,176.90 = 202,160.20 : x
  2. Step 2: Convert to fraction form
    204,784.60/307,176.90 = 202,160.20/x
  3. Step 3: Cross multiply
    204,784.60x = 307,176.90 × 202,160.20
  4. Step 4: Simplify right side
    204,784.60x = 62,098,943,539.38
  5. Step 5: Solve for x
    x = 62,098,943,539.38/204,784.60
  6. Step 6: Final answer
    x = 303,240.30

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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.