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Finding the Fourth Proportional to 356,690.66, 534,880.38 and 134,919.14

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Solution

The fourth proportional to 356,690.66, 534,880.38 and 134,919.14 is: 202,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,690.66 : 534,880.38 = 134,919.14 : x
  2. Step 2: Convert to fraction form
    356,690.66/534,880.38 = 134,919.14/x
  3. Step 3: Cross multiply
    356,690.66x = 534,880.38 × 134,919.14
  4. Step 4: Simplify right side
    356,690.66x = 72,165,600,872.47
  5. Step 5: Solve for x
    x = 72,165,600,872.47/356,690.66
  6. Step 6: Final answer
    x = 202,319.85

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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.