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Finding the Fourth Proportional to 168,589.62, 232,658.37 and 93,142.98

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Solution

The fourth proportional to 168,589.62, 232,658.37 and 93,142.98 is: 128,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,589.62 : 232,658.37 = 93,142.98 : x
  2. Step 2: Convert to fraction form
    168,589.62/232,658.37 = 93,142.98/x
  3. Step 3: Cross multiply
    168,589.62x = 232,658.37 × 93,142.98
  4. Step 4: Simplify right side
    168,589.62x = 21,670,493,903.74
  5. Step 5: Solve for x
    x = 21,670,493,903.74/168,589.62
  6. Step 6: Final answer
    x = 128,539.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.