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Finding the Fourth Proportional to 251,464.66, 347,010.66 and 142,576.32

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Solution

The fourth proportional to 251,464.66, 347,010.66 and 142,576.32 is: 196,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,464.66 : 347,010.66 = 142,576.32 : x
  2. Step 2: Convert to fraction form
    251,464.66/347,010.66 = 142,576.32/x
  3. Step 3: Cross multiply
    251,464.66x = 347,010.66 × 142,576.32
  4. Step 4: Simplify right side
    251,464.66x = 49,475,502,903.57
  5. Step 5: Solve for x
    x = 49,475,502,903.57/251,464.66
  6. Step 6: Final answer
    x = 196,749.33

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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.