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Finding the Fourth Proportional to 69,557.65, 104,484.00 and 65,508.46

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Solution

The fourth proportional to 69,557.65, 104,484.00 and 65,508.46 is: 98,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557.65 : 104,484.00 = 65,508.46 : x
  2. Step 2: Convert to fraction form
    69,557.65/104,484.00 = 65,508.46/x
  3. Step 3: Cross multiply
    69,557.65x = 104,484.00 × 65,508.46
  4. Step 4: Simplify right side
    69,557.65x = 6,844,585,084.68
  5. Step 5: Solve for x
    x = 6,844,585,084.68/69,557.65
  6. Step 6: Final answer
    x = 98,401.62

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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.