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Finding the Fourth Proportional to 265,908.74, 366,956.40 and 145,050.56

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Solution

The fourth proportional to 265,908.74, 366,956.40 and 145,050.56 is: 200,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,908.74 : 366,956.40 = 145,050.56 : x
  2. Step 2: Convert to fraction form
    265,908.74/366,956.40 = 145,050.56/x
  3. Step 3: Cross multiply
    265,908.74x = 366,956.40 × 145,050.56
  4. Step 4: Simplify right side
    265,908.74x = 53,227,231,315.58
  5. Step 5: Solve for x
    x = 53,227,231,315.58/265,908.74
  6. Step 6: Final answer
    x = 200,171.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.