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Finding the Fourth Proportional to 119,361.20, 179,041.48 and 44,479.64

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Solution

The fourth proportional to 119,361.20, 179,041.48 and 44,479.64 is: 66,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,361.20 : 179,041.48 = 44,479.64 : x
  2. Step 2: Convert to fraction form
    119,361.20/179,041.48 = 44,479.64/x
  3. Step 3: Cross multiply
    119,361.20x = 179,041.48 × 44,479.64
  4. Step 4: Simplify right side
    119,361.20x = 7,963,700,575.47
  5. Step 5: Solve for x
    x = 7,963,700,575.47/119,361.20
  6. Step 6: Final answer
    x = 66,719.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.