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Finding the Fourth Proportional to 192,649.92, 265,846.56 and 106,605.12

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Solution

The fourth proportional to 192,649.92, 265,846.56 and 106,605.12 is: 147,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,649.92 : 265,846.56 = 106,605.12 : x
  2. Step 2: Convert to fraction form
    192,649.92/265,846.56 = 106,605.12/x
  3. Step 3: Cross multiply
    192,649.92x = 265,846.56 × 106,605.12
  4. Step 4: Simplify right side
    192,649.92x = 28,340,604,430.39
  5. Step 5: Solve for x
    x = 28,340,604,430.39/192,649.92
  6. Step 6: Final answer
    x = 147,109.35

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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.