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Finding the Fourth Proportional to 187,453.61, 280,827.32 and 92,572.77

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Solution

The fourth proportional to 187,453.61, 280,827.32 and 92,572.77 is: 138,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,453.61 : 280,827.32 = 92,572.77 : x
  2. Step 2: Convert to fraction form
    187,453.61/280,827.32 = 92,572.77/x
  3. Step 3: Cross multiply
    187,453.61x = 280,827.32 × 92,572.77
  4. Step 4: Simplify right side
    187,453.61x = 25,996,962,441.21
  5. Step 5: Solve for x
    x = 25,996,962,441.21/187,453.61
  6. Step 6: Final answer
    x = 138,684.78

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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.