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Finding the Fourth Proportional to 119,360.64, 179,052.65 and 43,479.80

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Solution

The fourth proportional to 119,360.64, 179,052.65 and 43,479.80 is: 65,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,360.64 : 179,052.65 = 43,479.80 : x
  2. Step 2: Convert to fraction form
    119,360.64/179,052.65 = 43,479.80/x
  3. Step 3: Cross multiply
    119,360.64x = 179,052.65 × 43,479.80
  4. Step 4: Simplify right side
    119,360.64x = 7,785,172,298.81
  5. Step 5: Solve for x
    x = 7,785,172,298.81/119,360.64
  6. Step 6: Final answer
    x = 65,223.95

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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.