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Finding the Fourth Proportional to 69,701.84, 104,479.65 and 34,114.08

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Solution

The fourth proportional to 69,701.84, 104,479.65 and 34,114.08 is: 51,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.84 : 104,479.65 = 34,114.08 : x
  2. Step 2: Convert to fraction form
    69,701.84/104,479.65 = 34,114.08/x
  3. Step 3: Cross multiply
    69,701.84x = 104,479.65 × 34,114.08
  4. Step 4: Simplify right side
    69,701.84x = 3,564,227,138.47
  5. Step 5: Solve for x
    x = 3,564,227,138.47/69,701.84
  6. Step 6: Final answer
    x = 51,135.34

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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.