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Finding the Fourth Proportional to 76,071.87, 104,981.94 and 44,251.02

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Solution

The fourth proportional to 76,071.87, 104,981.94 and 44,251.02 is: 61,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,071.87 : 104,981.94 = 44,251.02 : x
  2. Step 2: Convert to fraction form
    76,071.87/104,981.94 = 44,251.02/x
  3. Step 3: Cross multiply
    76,071.87x = 104,981.94 × 44,251.02
  4. Step 4: Simplify right side
    76,071.87x = 4,645,557,926.58
  5. Step 5: Solve for x
    x = 4,645,557,926.58/76,071.87
  6. Step 6: Final answer
    x = 61,068.01

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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.