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Finding the Fourth Proportional to 254,490.76, 351,213.06 and 141,314.32

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Solution

The fourth proportional to 254,490.76, 351,213.06 and 141,314.32 is: 195,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,490.76 : 351,213.06 = 141,314.32 : x
  2. Step 2: Convert to fraction form
    254,490.76/351,213.06 = 141,314.32/x
  3. Step 3: Cross multiply
    254,490.76x = 351,213.06 × 141,314.32
  4. Step 4: Simplify right side
    254,490.76x = 49,631,434,749.02
  5. Step 5: Solve for x
    x = 49,631,434,749.02/254,490.76
  6. Step 6: Final answer
    x = 195,022.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.