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Finding the Fourth Proportional to 254,440.81, 381,836.16 and 88,228.81

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Solution

The fourth proportional to 254,440.81, 381,836.16 and 88,228.81 is: 132,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,440.81 : 381,836.16 = 88,228.81 : x
  2. Step 2: Convert to fraction form
    254,440.81/381,836.16 = 88,228.81/x
  3. Step 3: Cross multiply
    254,440.81x = 381,836.16 × 88,228.81
  4. Step 4: Simplify right side
    254,440.81x = 33,688,950,011.77
  5. Step 5: Solve for x
    x = 33,688,950,011.77/254,440.81
  6. Step 6: Final answer
    x = 132,403.88

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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.