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Finding the Fourth Proportional to 192,068.90, 288,103.35 and 152,411.30

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Solution

The fourth proportional to 192,068.90, 288,103.35 and 152,411.30 is: 228,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,068.90 : 288,103.35 = 152,411.30 : x
  2. Step 2: Convert to fraction form
    192,068.90/288,103.35 = 152,411.30/x
  3. Step 3: Cross multiply
    192,068.90x = 288,103.35 × 152,411.30
  4. Step 4: Simplify right side
    192,068.90x = 43,910,206,107.86
  5. Step 5: Solve for x
    x = 43,910,206,107.86/192,068.90
  6. Step 6: Final answer
    x = 228,616.95

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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.