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Finding the Fourth Proportional to 133,475.66, 200,216 and 62,378.79

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Solution

The fourth proportional to 133,475.66, 200,216 and 62,378.79 is: 93,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,475.66 : 200,216 = 62,378.79 : x
  2. Step 2: Convert to fraction form
    133,475.66/200,216 = 62,378.79/x
  3. Step 3: Cross multiply
    133,475.66x = 200,216 × 62,378.79
  4. Step 4: Simplify right side
    133,475.66x = 12,489,231,818.64
  5. Step 5: Solve for x
    x = 12,489,231,818.64/133,475.66
  6. Step 6: Final answer
    x = 93,569.36

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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.