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Finding the Fourth Proportional to 310,624.53, 465,859.83 and 133,111.41

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Solution

The fourth proportional to 310,624.53, 465,859.83 and 133,111.41 is: 199,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,624.53 : 465,859.83 = 133,111.41 : x
  2. Step 2: Convert to fraction form
    310,624.53/465,859.83 = 133,111.41/x
  3. Step 3: Cross multiply
    310,624.53x = 465,859.83 × 133,111.41
  4. Step 4: Simplify right side
    310,624.53x = 62,011,258,833.66
  5. Step 5: Solve for x
    x = 62,011,258,833.66/310,624.53
  6. Step 6: Final answer
    x = 199,634.13

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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.