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Finding the Fourth Proportional to 173,538.78, 260,455.62 and 123,740.82

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Solution

The fourth proportional to 173,538.78, 260,455.62 and 123,740.82 is: 185,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,538.78 : 260,455.62 = 123,740.82 : x
  2. Step 2: Convert to fraction form
    173,538.78/260,455.62 = 123,740.82/x
  3. Step 3: Cross multiply
    173,538.78x = 260,455.62 × 123,740.82
  4. Step 4: Simplify right side
    173,538.78x = 32,228,991,992.41
  5. Step 5: Solve for x
    x = 32,228,991,992.41/173,538.78
  6. Step 6: Final answer
    x = 185,716.37

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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.