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Finding the Fourth Proportional to 192,037.20, 288,077.40 and 58,916.40

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Solution

The fourth proportional to 192,037.20, 288,077.40 and 58,916.40 is: 88,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.20 : 288,077.40 = 58,916.40 : x
  2. Step 2: Convert to fraction form
    192,037.20/288,077.40 = 58,916.40/x
  3. Step 3: Cross multiply
    192,037.20x = 288,077.40 × 58,916.40
  4. Step 4: Simplify right side
    192,037.20x = 16,972,483,329.36
  5. Step 5: Solve for x
    x = 16,972,483,329.36/192,037.20
  6. Step 6: Final answer
    x = 88,381.23

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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.