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Finding the Fourth Proportional to 69,298.41, 103,935.03 and 19,366.14

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Solution

The fourth proportional to 69,298.41, 103,935.03 and 19,366.14 is: 29,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,298.41 : 103,935.03 = 19,366.14 : x
  2. Step 2: Convert to fraction form
    69,298.41/103,935.03 = 19,366.14/x
  3. Step 3: Cross multiply
    69,298.41x = 103,935.03 × 19,366.14
  4. Step 4: Simplify right side
    69,298.41x = 2,012,820,341.88
  5. Step 5: Solve for x
    x = 2,012,820,341.88/69,298.41
  6. Step 6: Final answer
    x = 29,045.69

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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.