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Finding the Fourth Proportional to 187,254.76, 280,923.76 and 87,360.46

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Solution

The fourth proportional to 187,254.76, 280,923.76 and 87,360.46 is: 131,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,254.76 : 280,923.76 = 87,360.46 : x
  2. Step 2: Convert to fraction form
    187,254.76/280,923.76 = 87,360.46/x
  3. Step 3: Cross multiply
    187,254.76x = 280,923.76 × 87,360.46
  4. Step 4: Simplify right side
    187,254.76x = 24,541,628,898.53
  5. Step 5: Solve for x
    x = 24,541,628,898.53/187,254.76
  6. Step 6: Final answer
    x = 131,060.11

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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.