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Finding the Fourth Proportional to 201,874.40, 302,552.40 and 154,894.40

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Solution

The fourth proportional to 201,874.40, 302,552.40 and 154,894.40 is: 232,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,874.40 : 302,552.40 = 154,894.40 : x
  2. Step 2: Convert to fraction form
    201,874.40/302,552.40 = 154,894.40/x
  3. Step 3: Cross multiply
    201,874.40x = 302,552.40 × 154,894.40
  4. Step 4: Simplify right side
    201,874.40x = 46,863,672,466.56
  5. Step 5: Solve for x
    x = 46,863,672,466.56/201,874.40
  6. Step 6: Final answer
    x = 232,142.72

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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.