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Finding the Fourth Proportional to 171,483.66, 257,238.78 and 51,531.24

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Solution

The fourth proportional to 171,483.66, 257,238.78 and 51,531.24 is: 77,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,483.66 : 257,238.78 = 51,531.24 : x
  2. Step 2: Convert to fraction form
    171,483.66/257,238.78 = 51,531.24/x
  3. Step 3: Cross multiply
    171,483.66x = 257,238.78 × 51,531.24
  4. Step 4: Simplify right side
    171,483.66x = 13,255,833,309.49
  5. Step 5: Solve for x
    x = 13,255,833,309.49/171,483.66
  6. Step 6: Final answer
    x = 77,300.85

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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.