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Finding the Fourth Proportional to 551,405.70, 827,108.55 and 152,108.10

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Solution

The fourth proportional to 551,405.70, 827,108.55 and 152,108.10 is: 228,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,405.70 : 827,108.55 = 152,108.10 : x
  2. Step 2: Convert to fraction form
    551,405.70/827,108.55 = 152,108.10/x
  3. Step 3: Cross multiply
    551,405.70x = 827,108.55 × 152,108.10
  4. Step 4: Simplify right side
    551,405.70x = 125,809,910,034.26
  5. Step 5: Solve for x
    x = 125,809,910,034.26/551,405.70
  6. Step 6: Final answer
    x = 228,162.15

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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.