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Finding the Fourth Proportional to 192,438.67, 265,560.78 and 107,563.63

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Solution

The fourth proportional to 192,438.67, 265,560.78 and 107,563.63 is: 148,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,438.67 : 265,560.78 = 107,563.63 : x
  2. Step 2: Convert to fraction form
    192,438.67/265,560.78 = 107,563.63/x
  3. Step 3: Cross multiply
    192,438.67x = 265,560.78 × 107,563.63
  4. Step 4: Simplify right side
    192,438.67x = 28,564,681,545.47
  5. Step 5: Solve for x
    x = 28,564,681,545.47/192,438.67
  6. Step 6: Final answer
    x = 148,435.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.