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Finding the Fourth Proportional to 348,065.11, 522,098.11 and 95,347.82

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Solution

The fourth proportional to 348,065.11, 522,098.11 and 95,347.82 is: 143,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,065.11 : 522,098.11 = 95,347.82 : x
  2. Step 2: Convert to fraction form
    348,065.11/522,098.11 = 95,347.82/x
  3. Step 3: Cross multiply
    348,065.11x = 522,098.11 × 95,347.82
  4. Step 4: Simplify right side
    348,065.11x = 49,780,913,765.76
  5. Step 5: Solve for x
    x = 49,780,913,765.76/348,065.11
  6. Step 6: Final answer
    x = 143,021.84

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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.