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Finding the Fourth Proportional to 192,002.70, 288,068.85 and 92,225.10

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Solution

The fourth proportional to 192,002.70, 288,068.85 and 92,225.10 is: 138,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002.70 : 288,068.85 = 92,225.10 : x
  2. Step 2: Convert to fraction form
    192,002.70/288,068.85 = 92,225.10/x
  3. Step 3: Cross multiply
    192,002.70x = 288,068.85 × 92,225.10
  4. Step 4: Simplify right side
    192,002.70x = 26,567,178,498.14
  5. Step 5: Solve for x
    x = 26,567,178,498.14/192,002.70
  6. Step 6: Final answer
    x = 138,368.78

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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.