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Finding the Fourth Proportional to 215,462, 323,228.02 and 63,674.48

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Solution

The fourth proportional to 215,462, 323,228.02 and 63,674.48 is: 95,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,462 : 323,228.02 = 63,674.48 : x
  2. Step 2: Convert to fraction form
    215,462/323,228.02 = 63,674.48/x
  3. Step 3: Cross multiply
    215,462x = 323,228.02 × 63,674.48
  4. Step 4: Simplify right side
    215,462x = 20,581,376,094.93
  5. Step 5: Solve for x
    x = 20,581,376,094.93/215,462
  6. Step 6: Final answer
    x = 95,522.07

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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.