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Finding the Fourth Proportional to 367,671.35, 551,507.46 and 114,953.16

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Solution

The fourth proportional to 367,671.35, 551,507.46 and 114,953.16 is: 172,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,671.35 : 551,507.46 = 114,953.16 : x
  2. Step 2: Convert to fraction form
    367,671.35/551,507.46 = 114,953.16/x
  3. Step 3: Cross multiply
    367,671.35x = 551,507.46 × 114,953.16
  4. Step 4: Simplify right side
    367,671.35x = 63,397,524,715.81
  5. Step 5: Solve for x
    x = 63,397,524,715.81/367,671.35
  6. Step 6: Final answer
    x = 172,429.88

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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.