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Finding the Fourth Proportional to 103,288.69, 154,958.95 and 29,416.69

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Solution

The fourth proportional to 103,288.69, 154,958.95 and 29,416.69 is: 44,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,288.69 : 154,958.95 = 29,416.69 : x
  2. Step 2: Convert to fraction form
    103,288.69/154,958.95 = 29,416.69/x
  3. Step 3: Cross multiply
    103,288.69x = 154,958.95 × 29,416.69
  4. Step 4: Simplify right side
    103,288.69x = 4,558,379,044.25
  5. Step 5: Solve for x
    x = 4,558,379,044.25/103,288.69
  6. Step 6: Final answer
    x = 44,132.41

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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.