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Finding the Fourth Proportional to 259,094.99, 357,640.56 and 151,699.52

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Solution

The fourth proportional to 259,094.99, 357,640.56 and 151,699.52 is: 209,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,094.99 : 357,640.56 = 151,699.52 : x
  2. Step 2: Convert to fraction form
    259,094.99/357,640.56 = 151,699.52/x
  3. Step 3: Cross multiply
    259,094.99x = 357,640.56 × 151,699.52
  4. Step 4: Simplify right side
    259,094.99x = 54,253,899,496.33
  5. Step 5: Solve for x
    x = 54,253,899,496.33/259,094.99
  6. Step 6: Final answer
    x = 209,397.72

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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.