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Finding the Fourth Proportional to 152,103.71, 228,138.11 and 39,794.76

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Solution

The fourth proportional to 152,103.71, 228,138.11 and 39,794.76 is: 59,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.71 : 228,138.11 = 39,794.76 : x
  2. Step 2: Convert to fraction form
    152,103.71/228,138.11 = 39,794.76/x
  3. Step 3: Cross multiply
    152,103.71x = 228,138.11 × 39,794.76
  4. Step 4: Simplify right side
    152,103.71x = 9,078,701,135.33
  5. Step 5: Solve for x
    x = 9,078,701,135.33/152,103.71
  6. Step 6: Final answer
    x = 59,687.57

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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.