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Finding the Fourth Proportional to 254,480.40, 351,156.06 and 147,084.53

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Solution

The fourth proportional to 254,480.40, 351,156.06 and 147,084.53 is: 202,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,480.40 : 351,156.06 = 147,084.53 : x
  2. Step 2: Convert to fraction form
    254,480.40/351,156.06 = 147,084.53/x
  3. Step 3: Cross multiply
    254,480.40x = 351,156.06 × 147,084.53
  4. Step 4: Simplify right side
    254,480.40x = 51,649,622,285.97
  5. Step 5: Solve for x
    x = 51,649,622,285.97/254,480.40
  6. Step 6: Final answer
    x = 202,961.10

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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.