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Finding the Fourth Proportional to 76,622.32, 105,703.32 and 44,792.56

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Solution

The fourth proportional to 76,622.32, 105,703.32 and 44,792.56 is: 61,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,622.32 : 105,703.32 = 44,792.56 : x
  2. Step 2: Convert to fraction form
    76,622.32/105,703.32 = 44,792.56/x
  3. Step 3: Cross multiply
    76,622.32x = 105,703.32 × 44,792.56
  4. Step 4: Simplify right side
    76,622.32x = 4,734,722,303.30
  5. Step 5: Solve for x
    x = 4,734,722,303.30/76,622.32
  6. Step 6: Final answer
    x = 61,792.99

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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.