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Finding the Fourth Proportional to 171,585.30, 257,418.44 and 59,266.45

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Solution

The fourth proportional to 171,585.30, 257,418.44 and 59,266.45 is: 88,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,585.30 : 257,418.44 = 59,266.45 : x
  2. Step 2: Convert to fraction form
    171,585.30/257,418.44 = 59,266.45/x
  3. Step 3: Cross multiply
    171,585.30x = 257,418.44 × 59,266.45
  4. Step 4: Simplify right side
    171,585.30x = 15,256,276,607.96
  5. Step 5: Solve for x
    x = 15,256,276,607.96/171,585.30
  6. Step 6: Final answer
    x = 88,913.66

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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.