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Finding the Fourth Proportional to 76,756, 105,923.28 and 44,923.36

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Solution

The fourth proportional to 76,756, 105,923.28 and 44,923.36 is: 61,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,756 : 105,923.28 = 44,923.36 : x
  2. Step 2: Convert to fraction form
    76,756/105,923.28 = 44,923.36/x
  3. Step 3: Cross multiply
    76,756x = 105,923.28 × 44,923.36
  4. Step 4: Simplify right side
    76,756x = 4,758,429,639.82
  5. Step 5: Solve for x
    x = 4,758,429,639.82/76,756
  6. Step 6: Final answer
    x = 61,994.24

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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.