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Finding the Fourth Proportional to 356,167.04, 534,166.72 and 103,380.80

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Solution

The fourth proportional to 356,167.04, 534,166.72 and 103,380.80 is: 155,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,167.04 : 534,166.72 = 103,380.80 : x
  2. Step 2: Convert to fraction form
    356,167.04/534,166.72 = 103,380.80/x
  3. Step 3: Cross multiply
    356,167.04x = 534,166.72 × 103,380.80
  4. Step 4: Simplify right side
    356,167.04x = 55,222,582,846.98
  5. Step 5: Solve for x
    x = 55,222,582,846.98/356,167.04
  6. Step 6: Final answer
    x = 155,046.86

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1.5x scale

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.