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Finding the Fourth Proportional to 69,124.42, 103,715.79 and 41,098.02

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Solution

The fourth proportional to 69,124.42, 103,715.79 and 41,098.02 is: 61,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.42 : 103,715.79 = 41,098.02 : x
  2. Step 2: Convert to fraction form
    69,124.42/103,715.79 = 41,098.02/x
  3. Step 3: Cross multiply
    69,124.42x = 103,715.79 × 41,098.02
  4. Step 4: Simplify right side
    69,124.42x = 4,262,513,093.16
  5. Step 5: Solve for x
    x = 4,262,513,093.16/69,124.42
  6. Step 6: Final answer
    x = 61,664.36

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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.