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Finding the Fourth Proportional to 259,790.67, 358,409.13 and 150,876.47

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Solution

The fourth proportional to 259,790.67, 358,409.13 and 150,876.47 is: 208,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,790.67 : 358,409.13 = 150,876.47 : x
  2. Step 2: Convert to fraction form
    259,790.67/358,409.13 = 150,876.47/x
  3. Step 3: Cross multiply
    259,790.67x = 358,409.13 × 150,876.47
  4. Step 4: Simplify right side
    259,790.67x = 54,075,505,104.75
  5. Step 5: Solve for x
    x = 54,075,505,104.75/259,790.67
  6. Step 6: Final answer
    x = 208,150.30

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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.