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Finding the Fourth Proportional to 254,866.34, 351,724.56 and 140,153.72

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Solution

The fourth proportional to 254,866.34, 351,724.56 and 140,153.72 is: 193,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.34 : 351,724.56 = 140,153.72 : x
  2. Step 2: Convert to fraction form
    254,866.34/351,724.56 = 140,153.72/x
  3. Step 3: Cross multiply
    254,866.34x = 351,724.56 × 140,153.72
  4. Step 4: Simplify right side
    254,866.34x = 49,295,505,499.36
  5. Step 5: Solve for x
    x = 49,295,505,499.36/254,866.34
  6. Step 6: Final answer
    x = 193,417.09

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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.