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Finding the Fourth Proportional to 190,486.76, 285,702.06 and 50,255.24

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Solution

The fourth proportional to 190,486.76, 285,702.06 and 50,255.24 is: 75,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,486.76 : 285,702.06 = 50,255.24 : x
  2. Step 2: Convert to fraction form
    190,486.76/285,702.06 = 50,255.24/x
  3. Step 3: Cross multiply
    190,486.76x = 285,702.06 × 50,255.24
  4. Step 4: Simplify right side
    190,486.76x = 14,358,025,593.79
  5. Step 5: Solve for x
    x = 14,358,025,593.79/190,486.76
  6. Step 6: Final answer
    x = 75,375.45

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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.