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Finding the Fourth Proportional to 254,480.76, 351,199.28 and 141,304.32

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Solution

The fourth proportional to 254,480.76, 351,199.28 and 141,304.32 is: 195,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,480.76 : 351,199.28 = 141,304.32 : x
  2. Step 2: Convert to fraction form
    254,480.76/351,199.28 = 141,304.32/x
  3. Step 3: Cross multiply
    254,480.76x = 351,199.28 × 141,304.32
  4. Step 4: Simplify right side
    254,480.76x = 49,625,974,738.37
  5. Step 5: Solve for x
    x = 49,625,974,738.37/254,480.76
  6. Step 6: Final answer
    x = 195,008.75

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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.