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Finding the Fourth Proportional to 225,256.72, 337,699.87 and 105,254.32

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Solution

The fourth proportional to 225,256.72, 337,699.87 and 105,254.32 is: 157,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,256.72 : 337,699.87 = 105,254.32 : x
  2. Step 2: Convert to fraction form
    225,256.72/337,699.87 = 105,254.32/x
  3. Step 3: Cross multiply
    225,256.72x = 337,699.87 × 105,254.32
  4. Step 4: Simplify right side
    225,256.72x = 35,544,369,706.74
  5. Step 5: Solve for x
    x = 35,544,369,706.74/225,256.72
  6. Step 6: Final answer
    x = 157,794.93

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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.