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Finding the Fourth Proportional to 171,816.66, 257,663.23 and 59,466.42

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Solution

The fourth proportional to 171,816.66, 257,663.23 and 59,466.42 is: 89,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,816.66 : 257,663.23 = 59,466.42 : x
  2. Step 2: Convert to fraction form
    171,816.66/257,663.23 = 59,466.42/x
  3. Step 3: Cross multiply
    171,816.66x = 257,663.23 × 59,466.42
  4. Step 4: Simplify right side
    171,816.66x = 15,322,309,705.07
  5. Step 5: Solve for x
    x = 15,322,309,705.07/171,816.66
  6. Step 6: Final answer
    x = 89,178.25

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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.