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Finding the Fourth Proportional to 69,437.58, 104,452.02 and 62,942.20

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Solution

The fourth proportional to 69,437.58, 104,452.02 and 62,942.20 is: 94,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.58 : 104,452.02 = 62,942.20 : x
  2. Step 2: Convert to fraction form
    69,437.58/104,452.02 = 62,942.20/x
  3. Step 3: Cross multiply
    69,437.58x = 104,452.02 × 62,942.20
  4. Step 4: Simplify right side
    69,437.58x = 6,574,439,933.24
  5. Step 5: Solve for x
    x = 6,574,439,933.24/69,437.58
  6. Step 6: Final answer
    x = 94,681.29

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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.