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Finding the Fourth Proportional to 192,358.79, 265,468.88 and 106,315.92

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Solution

The fourth proportional to 192,358.79, 265,468.88 and 106,315.92 is: 146,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,358.79 : 265,468.88 = 106,315.92 : x
  2. Step 2: Convert to fraction form
    192,358.79/265,468.88 = 106,315.92/x
  3. Step 3: Cross multiply
    192,358.79x = 265,468.88 × 106,315.92
  4. Step 4: Simplify right side
    192,358.79x = 28,223,568,672.50
  5. Step 5: Solve for x
    x = 28,223,568,672.50/192,358.79
  6. Step 6: Final answer
    x = 146,723.57

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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.