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Finding the Fourth Proportional to 127,374.66, 191,061.72 and 33,880.41

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Solution

The fourth proportional to 127,374.66, 191,061.72 and 33,880.41 is: 50,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.66 : 191,061.72 = 33,880.41 : x
  2. Step 2: Convert to fraction form
    127,374.66/191,061.72 = 33,880.41/x
  3. Step 3: Cross multiply
    127,374.66x = 191,061.72 × 33,880.41
  4. Step 4: Simplify right side
    127,374.66x = 6,473,249,408.91
  5. Step 5: Solve for x
    x = 6,473,249,408.91/127,374.66
  6. Step 6: Final answer
    x = 50,820.54

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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.