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Finding the Fourth Proportional to 192,039.84, 265,014.78 and 107,156.92

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Solution

The fourth proportional to 192,039.84, 265,014.78 and 107,156.92 is: 147,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,039.84 : 265,014.78 = 107,156.92 : x
  2. Step 2: Convert to fraction form
    192,039.84/265,014.78 = 107,156.92/x
  3. Step 3: Cross multiply
    192,039.84x = 265,014.78 × 107,156.92
  4. Step 4: Simplify right side
    192,039.84x = 28,398,167,579.28
  5. Step 5: Solve for x
    x = 28,398,167,579.28/192,039.84
  6. Step 6: Final answer
    x = 147,876.44

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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.