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Finding the Fourth Proportional to 258,993.26, 357,363.26 and 144,269.04

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Solution

The fourth proportional to 258,993.26, 357,363.26 and 144,269.04 is: 199,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,993.26 : 357,363.26 = 144,269.04 : x
  2. Step 2: Convert to fraction form
    258,993.26/357,363.26 = 144,269.04/x
  3. Step 3: Cross multiply
    258,993.26x = 357,363.26 × 144,269.04
  4. Step 4: Simplify right side
    258,993.26x = 51,556,453,730.13
  5. Step 5: Solve for x
    x = 51,556,453,730.13/258,993.26
  6. Step 6: Final answer
    x = 199,064.85

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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.