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Finding the Fourth Proportional to 192,166.40, 287,569.20 and 167,477.60

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Solution

The fourth proportional to 192,166.40, 287,569.20 and 167,477.60 is: 250,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,166.40 : 287,569.20 = 167,477.60 : x
  2. Step 2: Convert to fraction form
    192,166.40/287,569.20 = 167,477.60/x
  3. Step 3: Cross multiply
    192,166.40x = 287,569.20 × 167,477.60
  4. Step 4: Simplify right side
    192,166.40x = 48,161,399,449.92
  5. Step 5: Solve for x
    x = 48,161,399,449.92/192,166.40
  6. Step 6: Final answer
    x = 250,623.42

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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.