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Finding the Fourth Proportional to 201,736.40, 302,896.20 and 152,164.40

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Solution

The fourth proportional to 201,736.40, 302,896.20 and 152,164.40 is: 228,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,736.40 : 302,896.20 = 152,164.40 : x
  2. Step 2: Convert to fraction form
    201,736.40/302,896.20 = 152,164.40/x
  3. Step 3: Cross multiply
    201,736.40x = 302,896.20 × 152,164.40
  4. Step 4: Simplify right side
    201,736.40x = 46,090,018,535.28
  5. Step 5: Solve for x
    x = 46,090,018,535.28/201,736.40
  6. Step 6: Final answer
    x = 228,466.55

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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.