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Finding the Fourth Proportional to 171,840.07, 257,777.52 and 59,520.07

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Solution

The fourth proportional to 171,840.07, 257,777.52 and 59,520.07 is: 89,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,840.07 : 257,777.52 = 59,520.07 : x
  2. Step 2: Convert to fraction form
    171,840.07/257,777.52 = 59,520.07/x
  3. Step 3: Cross multiply
    171,840.07x = 257,777.52 × 59,520.07
  4. Step 4: Simplify right side
    171,840.07x = 15,342,936,034.83
  5. Step 5: Solve for x
    x = 15,342,936,034.83/171,840.07
  6. Step 6: Final answer
    x = 89,286.14

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1.5x scale

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.