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Finding the Fourth Proportional to 171,809.12, 257,651.92 and 59,458.82

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Solution

The fourth proportional to 171,809.12, 257,651.92 and 59,458.82 is: 89,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,809.12 : 257,651.92 = 59,458.82 : x
  2. Step 2: Convert to fraction form
    171,809.12/257,651.92 = 59,458.82/x
  3. Step 3: Cross multiply
    171,809.12x = 257,651.92 × 59,458.82
  4. Step 4: Simplify right side
    171,809.12x = 15,319,679,133.93
  5. Step 5: Solve for x
    x = 15,319,679,133.93/171,809.12
  6. Step 6: Final answer
    x = 89,166.86

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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.