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Finding the Fourth Proportional to 250,085.87, 375,128.24 and 193,242.44

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Solution

The fourth proportional to 250,085.87, 375,128.24 and 193,242.44 is: 289,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,085.87 : 375,128.24 = 193,242.44 : x
  2. Step 2: Convert to fraction form
    250,085.87/375,128.24 = 193,242.44/x
  3. Step 3: Cross multiply
    250,085.87x = 375,128.24 × 193,242.44
  4. Step 4: Simplify right side
    250,085.87x = 72,490,694,534.86
  5. Step 5: Solve for x
    x = 72,490,694,534.86/250,085.87
  6. Step 6: Final answer
    x = 289,863.22

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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.