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Finding the Fourth Proportional to 141,893.84, 212,697.03 and 92,005.58

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Solution

The fourth proportional to 141,893.84, 212,697.03 and 92,005.58 is: 137,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,893.84 : 212,697.03 = 92,005.58 : x
  2. Step 2: Convert to fraction form
    141,893.84/212,697.03 = 92,005.58/x
  3. Step 3: Cross multiply
    141,893.84x = 212,697.03 × 92,005.58
  4. Step 4: Simplify right side
    141,893.84x = 19,569,313,609.43
  5. Step 5: Solve for x
    x = 19,569,313,609.43/141,893.84
  6. Step 6: Final answer
    x = 137,915.17

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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.