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Finding the Fourth Proportional to 309,030.35, 463,617.81 and 95,787.09

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Solution

The fourth proportional to 309,030.35, 463,617.81 and 95,787.09 is: 143,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,030.35 : 463,617.81 = 95,787.09 : x
  2. Step 2: Convert to fraction form
    309,030.35/463,617.81 = 95,787.09/x
  3. Step 3: Cross multiply
    309,030.35x = 463,617.81 × 95,787.09
  4. Step 4: Simplify right side
    309,030.35x = 44,408,600,892.07
  5. Step 5: Solve for x
    x = 44,408,600,892.07/309,030.35
  6. Step 6: Final answer
    x = 143,703.04

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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.