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Finding the Fourth Proportional to 74,626.28, 102,981.82 and 44,404.64

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Solution

The fourth proportional to 74,626.28, 102,981.82 and 44,404.64 is: 61,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,626.28 : 102,981.82 = 44,404.64 : x
  2. Step 2: Convert to fraction form
    74,626.28/102,981.82 = 44,404.64/x
  3. Step 3: Cross multiply
    74,626.28x = 102,981.82 × 44,404.64
  4. Step 4: Simplify right side
    74,626.28x = 4,572,870,643.64
  5. Step 5: Solve for x
    x = 4,572,870,643.64/74,626.28
  6. Step 6: Final answer
    x = 61,276.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.