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Finding the Fourth Proportional to 104,843.32, 157,289.57 and 34,722.65

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Solution

The fourth proportional to 104,843.32, 157,289.57 and 34,722.65 is: 52,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,843.32 : 157,289.57 = 34,722.65 : x
  2. Step 2: Convert to fraction form
    104,843.32/157,289.57 = 34,722.65/x
  3. Step 3: Cross multiply
    104,843.32x = 157,289.57 × 34,722.65
  4. Step 4: Simplify right side
    104,843.32x = 5,461,510,687.76
  5. Step 5: Solve for x
    x = 5,461,510,687.76/104,843.32
  6. Step 6: Final answer
    x = 52,092.12

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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.