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Finding the Fourth Proportional to 76,944.66, 106,185.42 and 48,265.53

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Solution

The fourth proportional to 76,944.66, 106,185.42 and 48,265.53 is: 66,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.66 : 106,185.42 = 48,265.53 : x
  2. Step 2: Convert to fraction form
    76,944.66/106,185.42 = 48,265.53/x
  3. Step 3: Cross multiply
    76,944.66x = 106,185.42 × 48,265.53
  4. Step 4: Simplify right side
    76,944.66x = 5,125,095,574.57
  5. Step 5: Solve for x
    x = 5,125,095,574.57/76,944.66
  6. Step 6: Final answer
    x = 66,607.55

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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.