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Finding the Fourth Proportional to 192,162.71, 288,088.26 and 79,926.90

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Solution

The fourth proportional to 192,162.71, 288,088.26 and 79,926.90 is: 119,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,162.71 : 288,088.26 = 79,926.90 : x
  2. Step 2: Convert to fraction form
    192,162.71/288,088.26 = 79,926.90/x
  3. Step 3: Cross multiply
    192,162.71x = 288,088.26 × 79,926.90
  4. Step 4: Simplify right side
    192,162.71x = 23,026,001,548.19
  5. Step 5: Solve for x
    x = 23,026,001,548.19/192,162.71
  6. Step 6: Final answer
    x = 119,825.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.