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Finding the Fourth Proportional to 348,371.87, 522,645.60 and 99,053.87

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Solution

The fourth proportional to 348,371.87, 522,645.60 and 99,053.87 is: 148,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,371.87 : 522,645.60 = 99,053.87 : x
  2. Step 2: Convert to fraction form
    348,371.87/522,645.60 = 99,053.87/x
  3. Step 3: Cross multiply
    348,371.87x = 522,645.60 × 99,053.87
  4. Step 4: Simplify right side
    348,371.87x = 51,770,066,705.24
  5. Step 5: Solve for x
    x = 51,770,066,705.24/348,371.87
  6. Step 6: Final answer
    x = 148,605.76

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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.