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Finding the Fourth Proportional to 69,384.40, 104,001.96 and 29,960.08

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Solution

The fourth proportional to 69,384.40, 104,001.96 and 29,960.08 is: 44,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,384.40 : 104,001.96 = 29,960.08 : x
  2. Step 2: Convert to fraction form
    69,384.40/104,001.96 = 29,960.08/x
  3. Step 3: Cross multiply
    69,384.40x = 104,001.96 × 29,960.08
  4. Step 4: Simplify right side
    69,384.40x = 3,115,907,041.76
  5. Step 5: Solve for x
    x = 3,115,907,041.76/69,384.40
  6. Step 6: Final answer
    x = 44,907.89

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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.