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Finding the Fourth Proportional to 69,423.54, 104,118.87 and 29,959.11

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Solution

The fourth proportional to 69,423.54, 104,118.87 and 29,959.11 is: 44,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423.54 : 104,118.87 = 29,959.11 : x
  2. Step 2: Convert to fraction form
    69,423.54/104,118.87 = 29,959.11/x
  3. Step 3: Cross multiply
    69,423.54x = 104,118.87 × 29,959.11
  4. Step 4: Simplify right side
    69,423.54x = 3,119,308,679.41
  5. Step 5: Solve for x
    x = 3,119,308,679.41/69,423.54
  6. Step 6: Final answer
    x = 44,931.57

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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.