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Finding the Fourth Proportional to 192,024.59, 287,913.56 and 79,782.35

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Solution

The fourth proportional to 192,024.59, 287,913.56 and 79,782.35 is: 119,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,024.59 : 287,913.56 = 79,782.35 : x
  2. Step 2: Convert to fraction form
    192,024.59/287,913.56 = 79,782.35/x
  3. Step 3: Cross multiply
    192,024.59x = 287,913.56 × 79,782.35
  4. Step 4: Simplify right side
    192,024.59x = 22,970,418,575.19
  5. Step 5: Solve for x
    x = 22,970,418,575.19/192,024.59
  6. Step 6: Final answer
    x = 119,622.28

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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.