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Finding the Fourth Proportional to 71,674.66, 107,377.12 and 42,004.36

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Solution

The fourth proportional to 71,674.66, 107,377.12 and 42,004.36 is: 62,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,674.66 : 107,377.12 = 42,004.36 : x
  2. Step 2: Convert to fraction form
    71,674.66/107,377.12 = 42,004.36/x
  3. Step 3: Cross multiply
    71,674.66x = 107,377.12 × 42,004.36
  4. Step 4: Simplify right side
    71,674.66x = 4,510,307,204.24
  5. Step 5: Solve for x
    x = 4,510,307,204.24/71,674.66
  6. Step 6: Final answer
    x = 62,927.50

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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.