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Finding the Fourth Proportional to 295,213.76, 442,845.50 and 92,856.32

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Solution

The fourth proportional to 295,213.76, 442,845.50 and 92,856.32 is: 139,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,213.76 : 442,845.50 = 92,856.32 : x
  2. Step 2: Convert to fraction form
    295,213.76/442,845.50 = 92,856.32/x
  3. Step 3: Cross multiply
    295,213.76x = 442,845.50 × 92,856.32
  4. Step 4: Simplify right side
    295,213.76x = 41,121,000,780.05
  5. Step 5: Solve for x
    x = 41,121,000,780.05/295,213.76
  6. Step 6: Final answer
    x = 139,292.29

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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.