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Finding the Fourth Proportional to 187,356.48, 280,837.80 and 116,278.92

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Solution

The fourth proportional to 187,356.48, 280,837.80 and 116,278.92 is: 174,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,356.48 : 280,837.80 = 116,278.92 : x
  2. Step 2: Convert to fraction form
    187,356.48/280,837.80 = 116,278.92/x
  3. Step 3: Cross multiply
    187,356.48x = 280,837.80 × 116,278.92
  4. Step 4: Simplify right side
    187,356.48x = 32,655,516,079.18
  5. Step 5: Solve for x
    x = 32,655,516,079.18/187,356.48
  6. Step 6: Final answer
    x = 174,296.17

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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.