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Finding the Fourth Proportional to 254,873.22, 351,686.49 and 145,960.62

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Solution

The fourth proportional to 254,873.22, 351,686.49 and 145,960.62 is: 201,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,873.22 : 351,686.49 = 145,960.62 : x
  2. Step 2: Convert to fraction form
    254,873.22/351,686.49 = 145,960.62/x
  3. Step 3: Cross multiply
    254,873.22x = 351,686.49 × 145,960.62
  4. Step 4: Simplify right side
    254,873.22x = 51,332,378,126.02
  5. Step 5: Solve for x
    x = 51,332,378,126.02/254,873.22
  6. Step 6: Final answer
    x = 201,403.58

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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.