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Finding the Fourth Proportional to 141,806.72, 212,709.47 and 41,967.54

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Solution

The fourth proportional to 141,806.72, 212,709.47 and 41,967.54 is: 62,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.72 : 212,709.47 = 41,967.54 : x
  2. Step 2: Convert to fraction form
    141,806.72/212,709.47 = 41,967.54/x
  3. Step 3: Cross multiply
    141,806.72x = 212,709.47 × 41,967.54
  4. Step 4: Simplify right side
    141,806.72x = 8,926,892,980.77
  5. Step 5: Solve for x
    x = 8,926,892,980.77/141,806.72
  6. Step 6: Final answer
    x = 62,951.13

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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.