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Finding the Fourth Proportional to 356,136.66, 534,200.67 and 106,816.50

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Solution

The fourth proportional to 356,136.66, 534,200.67 and 106,816.50 is: 160,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,136.66 : 534,200.67 = 106,816.50 : x
  2. Step 2: Convert to fraction form
    356,136.66/534,200.67 = 106,816.50/x
  3. Step 3: Cross multiply
    356,136.66x = 534,200.67 × 106,816.50
  4. Step 4: Simplify right side
    356,136.66x = 57,061,445,867.06
  5. Step 5: Solve for x
    x = 57,061,445,867.06/356,136.66
  6. Step 6: Final answer
    x = 160,223.45

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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.