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Finding the Fourth Proportional to 254,772.90, 382,268.70 and 130,113.90

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Solution

The fourth proportional to 254,772.90, 382,268.70 and 130,113.90 is: 195,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,772.90 : 382,268.70 = 130,113.90 : x
  2. Step 2: Convert to fraction form
    254,772.90/382,268.70 = 130,113.90/x
  3. Step 3: Cross multiply
    254,772.90x = 382,268.70 × 130,113.90
  4. Step 4: Simplify right side
    254,772.90x = 49,738,471,404.93
  5. Step 5: Solve for x
    x = 49,738,471,404.93/254,772.90
  6. Step 6: Final answer
    x = 195,226.70

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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.