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Finding the Fourth Proportional to 437,732.68, 656,482.14 and 122,134.12

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Solution

The fourth proportional to 437,732.68, 656,482.14 and 122,134.12 is: 183,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,732.68 : 656,482.14 = 122,134.12 : x
  2. Step 2: Convert to fraction form
    437,732.68/656,482.14 = 122,134.12/x
  3. Step 3: Cross multiply
    437,732.68x = 656,482.14 × 122,134.12
  4. Step 4: Simplify right side
    437,732.68x = 80,178,868,464.62
  5. Step 5: Solve for x
    x = 80,178,868,464.62/437,732.68
  6. Step 6: Final answer
    x = 183,168.57

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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.