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Finding the Fourth Proportional to 259,101.90, 387,775.01 and 159,325.29

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Solution

The fourth proportional to 259,101.90, 387,775.01 and 159,325.29 is: 238,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,101.90 : 387,775.01 = 159,325.29 : x
  2. Step 2: Convert to fraction form
    259,101.90/387,775.01 = 159,325.29/x
  3. Step 3: Cross multiply
    259,101.90x = 387,775.01 × 159,325.29
  4. Step 4: Simplify right side
    259,101.90x = 61,782,366,321.32
  5. Step 5: Solve for x
    x = 61,782,366,321.32/259,101.90
  6. Step 6: Final answer
    x = 238,448.14

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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.