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Finding the Fourth Proportional to 171,811.60, 257,655.66 and 59,461.33

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Solution

The fourth proportional to 171,811.60, 257,655.66 and 59,461.33 is: 89,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.60 : 257,655.66 = 59,461.33 : x
  2. Step 2: Convert to fraction form
    171,811.60/257,655.66 = 59,461.33/x
  3. Step 3: Cross multiply
    171,811.60x = 257,655.66 × 59,461.33
  4. Step 4: Simplify right side
    171,811.60x = 15,320,548,225.63
  5. Step 5: Solve for x
    x = 15,320,548,225.63/171,811.60
  6. Step 6: Final answer
    x = 89,170.63

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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.