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Finding the Fourth Proportional to 76,573.87, 105,656.46 and 44,736.62

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Solution

The fourth proportional to 76,573.87, 105,656.46 and 44,736.62 is: 61,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573.87 : 105,656.46 = 44,736.62 : x
  2. Step 2: Convert to fraction form
    76,573.87/105,656.46 = 44,736.62/x
  3. Step 3: Cross multiply
    76,573.87x = 105,656.46 × 44,736.62
  4. Step 4: Simplify right side
    76,573.87x = 4,726,712,426.22
  5. Step 5: Solve for x
    x = 4,726,712,426.22/76,573.87
  6. Step 6: Final answer
    x = 61,727.49

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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.