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Finding the Fourth Proportional to 192,369.82, 288,569.23 and 57,423.23

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Solution

The fourth proportional to 192,369.82, 288,569.23 and 57,423.23 is: 86,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,369.82 : 288,569.23 = 57,423.23 : x
  2. Step 2: Convert to fraction form
    192,369.82/288,569.23 = 57,423.23/x
  3. Step 3: Cross multiply
    192,369.82x = 288,569.23 × 57,423.23
  4. Step 4: Simplify right side
    192,369.82x = 16,570,575,535.25
  5. Step 5: Solve for x
    x = 16,570,575,535.25/192,369.82
  6. Step 6: Final answer
    x = 86,139.16

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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.