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Finding the Fourth Proportional to 170,151.91, 255,264.81 and 51,820.14

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Solution

The fourth proportional to 170,151.91, 255,264.81 and 51,820.14 is: 77,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,151.91 : 255,264.81 = 51,820.14 : x
  2. Step 2: Convert to fraction form
    170,151.91/255,264.81 = 51,820.14/x
  3. Step 3: Cross multiply
    170,151.91x = 255,264.81 × 51,820.14
  4. Step 4: Simplify right side
    170,151.91x = 13,227,858,191.27
  5. Step 5: Solve for x
    x = 13,227,858,191.27/170,151.91
  6. Step 6: Final answer
    x = 77,741.46

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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.