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Finding the Fourth Proportional to 141,355.19, 212,043.08 and 52,608.67

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Solution

The fourth proportional to 141,355.19, 212,043.08 and 52,608.67 is: 78,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,355.19 : 212,043.08 = 52,608.67 : x
  2. Step 2: Convert to fraction form
    141,355.19/212,043.08 = 52,608.67/x
  3. Step 3: Cross multiply
    141,355.19x = 212,043.08 × 52,608.67
  4. Step 4: Simplify right side
    141,355.19x = 11,155,304,022.92
  5. Step 5: Solve for x
    x = 11,155,304,022.92/141,355.19
  6. Step 6: Final answer
    x = 78,916.83

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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.