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Finding the Fourth Proportional to 192,367.87, 288,460.99 and 112,428.77

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Solution

The fourth proportional to 192,367.87, 288,460.99 and 112,428.77 is: 168,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,367.87 : 288,460.99 = 112,428.77 : x
  2. Step 2: Convert to fraction form
    192,367.87/288,460.99 = 112,428.77/x
  3. Step 3: Cross multiply
    192,367.87x = 288,460.99 × 112,428.77
  4. Step 4: Simplify right side
    192,367.87x = 32,431,314,298.68
  5. Step 5: Solve for x
    x = 32,431,314,298.68/192,367.87
  6. Step 6: Final answer
    x = 168,590.08

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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.