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Finding the Fourth Proportional to 544,136.16, 816,206.16 and 165,060.18

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Solution

The fourth proportional to 544,136.16, 816,206.16 and 165,060.18 is: 247,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,136.16 : 816,206.16 = 165,060.18 : x
  2. Step 2: Convert to fraction form
    544,136.16/816,206.16 = 165,060.18/x
  3. Step 3: Cross multiply
    544,136.16x = 816,206.16 × 165,060.18
  4. Step 4: Simplify right side
    544,136.16x = 134,723,135,686.71
  5. Step 5: Solve for x
    x = 134,723,135,686.71/544,136.16
  6. Step 6: Final answer
    x = 247,590.85

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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.