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Finding the Fourth Proportional to 225,142.99, 337,714.42 and 84,868.81

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Solution

The fourth proportional to 225,142.99, 337,714.42 and 84,868.81 is: 127,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,142.99 : 337,714.42 = 84,868.81 : x
  2. Step 2: Convert to fraction form
    225,142.99/337,714.42 = 84,868.81/x
  3. Step 3: Cross multiply
    225,142.99x = 337,714.42 × 84,868.81
  4. Step 4: Simplify right side
    225,142.99x = 28,661,420,733.07
  5. Step 5: Solve for x
    x = 28,661,420,733.07/225,142.99
  6. Step 6: Final answer
    x = 127,303.19

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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.