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Finding the Fourth Proportional to 187,110, 280,667.43 and 62,451

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Solution

The fourth proportional to 187,110, 280,667.43 and 62,451 is: 93,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,110 : 280,667.43 = 62,451 : x
  2. Step 2: Convert to fraction form
    187,110/280,667.43 = 62,451/x
  3. Step 3: Cross multiply
    187,110x = 280,667.43 × 62,451
  4. Step 4: Simplify right side
    187,110x = 17,527,961,670.93
  5. Step 5: Solve for x
    x = 17,527,961,670.93/187,110
  6. Step 6: Final answer
    x = 93,677.31

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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.