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Finding the Fourth Proportional to 144,354.96, 199,245.96 and 115,562.16

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Solution

The fourth proportional to 144,354.96, 199,245.96 and 115,562.16 is: 159,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,354.96 : 199,245.96 = 115,562.16 : x
  2. Step 2: Convert to fraction form
    144,354.96/199,245.96 = 115,562.16/x
  3. Step 3: Cross multiply
    144,354.96x = 199,245.96 × 115,562.16
  4. Step 4: Simplify right side
    144,354.96x = 23,025,293,508.87
  5. Step 5: Solve for x
    x = 23,025,293,508.87/144,354.96
  6. Step 6: Final answer
    x = 159,504.69

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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.