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Finding the Fourth Proportional to 356,150.08, 534,252.90 and 103,434.70

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Solution

The fourth proportional to 356,150.08, 534,252.90 and 103,434.70 is: 155,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,150.08 : 534,252.90 = 103,434.70 : x
  2. Step 2: Convert to fraction form
    356,150.08/534,252.90 = 103,434.70/x
  3. Step 3: Cross multiply
    356,150.08x = 534,252.90 × 103,434.70
  4. Step 4: Simplify right side
    356,150.08x = 55,260,288,435.63
  5. Step 5: Solve for x
    x = 55,260,288,435.63/356,150.08
  6. Step 6: Final answer
    x = 155,160.12

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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.