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Finding the Fourth Proportional to 501,085.10, 751,671.22 and 141,258.33

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Solution

The fourth proportional to 501,085.10, 751,671.22 and 141,258.33 is: 211,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,085.10 : 751,671.22 = 141,258.33 : x
  2. Step 2: Convert to fraction form
    501,085.10/751,671.22 = 141,258.33/x
  3. Step 3: Cross multiply
    501,085.10x = 751,671.22 × 141,258.33
  4. Step 4: Simplify right side
    501,085.10x = 106,179,820,760.69
  5. Step 5: Solve for x
    x = 106,179,820,760.69/501,085.10
  6. Step 6: Final answer
    x = 211,899.78

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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.