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Finding the Fourth Proportional to 69,100.08, 103,484.01 and 39,427.95

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Solution

The fourth proportional to 69,100.08, 103,484.01 and 39,427.95 is: 59,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,100.08 : 103,484.01 = 39,427.95 : x
  2. Step 2: Convert to fraction form
    69,100.08/103,484.01 = 39,427.95/x
  3. Step 3: Cross multiply
    69,100.08x = 103,484.01 × 39,427.95
  4. Step 4: Simplify right side
    69,100.08x = 4,080,162,372.08
  5. Step 5: Solve for x
    x = 4,080,162,372.08/69,100.08
  6. Step 6: Final answer
    x = 59,047.14

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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.