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Finding the Fourth Proportional to 192,487.59, 265,609.62 and 106,434.81

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Solution

The fourth proportional to 192,487.59, 265,609.62 and 106,434.81 is: 146,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,487.59 : 265,609.62 = 106,434.81 : x
  2. Step 2: Convert to fraction form
    192,487.59/265,609.62 = 106,434.81/x
  3. Step 3: Cross multiply
    192,487.59x = 265,609.62 × 106,434.81
  4. Step 4: Simplify right side
    192,487.59x = 28,270,109,438.87
  5. Step 5: Solve for x
    x = 28,270,109,438.87/192,487.59
  6. Step 6: Final answer
    x = 146,867.18

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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.