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Finding the Fourth Proportional to 259,518.72, 358,149.96 and 144,822.72

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Solution

The fourth proportional to 259,518.72, 358,149.96 and 144,822.72 is: 199,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,518.72 : 358,149.96 = 144,822.72 : x
  2. Step 2: Convert to fraction form
    259,518.72/358,149.96 = 144,822.72/x
  3. Step 3: Cross multiply
    259,518.72x = 358,149.96 × 144,822.72
  4. Step 4: Simplify right side
    259,518.72x = 51,868,251,375.09
  5. Step 5: Solve for x
    x = 51,868,251,375.09/259,518.72
  6. Step 6: Final answer
    x = 199,863.24

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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.