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Finding the Fourth Proportional to 141,609.65, 212,363.87 and 46,822.34

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Solution

The fourth proportional to 141,609.65, 212,363.87 and 46,822.34 is: 70,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.65 : 212,363.87 = 46,822.34 : x
  2. Step 2: Convert to fraction form
    141,609.65/212,363.87 = 46,822.34/x
  3. Step 3: Cross multiply
    141,609.65x = 212,363.87 × 46,822.34
  4. Step 4: Simplify right side
    141,609.65x = 9,943,372,380.09
  5. Step 5: Solve for x
    x = 9,943,372,380.09/141,609.65
  6. Step 6: Final answer
    x = 70,216.77

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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.