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Finding the Fourth Proportional to 251,273.34, 346,742.64 and 138,096.09

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Solution

The fourth proportional to 251,273.34, 346,742.64 and 138,096.09 is: 190,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,273.34 : 346,742.64 = 138,096.09 : x
  2. Step 2: Convert to fraction form
    251,273.34/346,742.64 = 138,096.09/x
  3. Step 3: Cross multiply
    251,273.34x = 346,742.64 × 138,096.09
  4. Step 4: Simplify right side
    251,273.34x = 47,883,802,820.28
  5. Step 5: Solve for x
    x = 47,883,802,820.28/251,273.34
  6. Step 6: Final answer
    x = 190,564.60

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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.