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Finding the Fourth Proportional to 201,921.60, 302,226.30 and 201,921.60

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Solution

The fourth proportional to 201,921.60, 302,226.30 and 201,921.60 is: 302,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,921.60 : 302,226.30 = 201,921.60 : x
  2. Step 2: Convert to fraction form
    201,921.60/302,226.30 = 201,921.60/x
  3. Step 3: Cross multiply
    201,921.60x = 302,226.30 × 201,921.60
  4. Step 4: Simplify right side
    201,921.60x = 61,026,018,058.08
  5. Step 5: Solve for x
    x = 61,026,018,058.08/201,921.60
  6. Step 6: Final answer
    x = 302,226.30

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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.