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Finding the Fourth Proportional to 133,315.71, 200,022.98 and 62,278.44

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Solution

The fourth proportional to 133,315.71, 200,022.98 and 62,278.44 is: 93,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315.71 : 200,022.98 = 62,278.44 : x
  2. Step 2: Convert to fraction form
    133,315.71/200,022.98 = 62,278.44/x
  3. Step 3: Cross multiply
    133,315.71x = 200,022.98 × 62,278.44
  4. Step 4: Simplify right side
    133,315.71x = 12,457,118,847.16
  5. Step 5: Solve for x
    x = 12,457,118,847.16/133,315.71
  6. Step 6: Final answer
    x = 93,440.74

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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.