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Finding the Fourth Proportional to 171,552.60, 257,353.74 and 53,233.47

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Solution

The fourth proportional to 171,552.60, 257,353.74 and 53,233.47 is: 79,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,552.60 : 257,353.74 = 53,233.47 : x
  2. Step 2: Convert to fraction form
    171,552.60/257,353.74 = 53,233.47/x
  3. Step 3: Cross multiply
    171,552.60x = 257,353.74 × 53,233.47
  4. Step 4: Simplify right side
    171,552.60x = 13,699,832,597.68
  5. Step 5: Solve for x
    x = 13,699,832,597.68/171,552.60
  6. Step 6: Final answer
    x = 79,857.91

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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.