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Finding the Fourth Proportional to 348,645.52, 522,975.56 and 99,327.52

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Solution

The fourth proportional to 348,645.52, 522,975.56 and 99,327.52 is: 148,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,645.52 : 522,975.56 = 99,327.52 : x
  2. Step 2: Convert to fraction form
    348,645.52/522,975.56 = 99,327.52/x
  3. Step 3: Cross multiply
    348,645.52x = 522,975.56 × 99,327.52
  4. Step 4: Simplify right side
    348,645.52x = 51,945,865,395.41
  5. Step 5: Solve for x
    x = 51,945,865,395.41/348,645.52
  6. Step 6: Final answer
    x = 148,993.35

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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.