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Finding the Fourth Proportional to 187,468.56, 280,849.60 and 92,587.68

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Solution

The fourth proportional to 187,468.56, 280,849.60 and 92,587.68 is: 138,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,468.56 : 280,849.60 = 92,587.68 : x
  2. Step 2: Convert to fraction form
    187,468.56/280,849.60 = 92,587.68/x
  3. Step 3: Cross multiply
    187,468.56x = 280,849.60 × 92,587.68
  4. Step 4: Simplify right side
    187,468.56x = 26,003,212,892.93
  5. Step 5: Solve for x
    x = 26,003,212,892.93/187,468.56
  6. Step 6: Final answer
    x = 138,707.06

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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.