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Finding the Fourth Proportional to 225,858.84, 338,825.10 and 92,703.36

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Solution

The fourth proportional to 225,858.84, 338,825.10 and 92,703.36 is: 139,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,858.84 : 338,825.10 = 92,703.36 : x
  2. Step 2: Convert to fraction form
    225,858.84/338,825.10 = 92,703.36/x
  3. Step 3: Cross multiply
    225,858.84x = 338,825.10 × 92,703.36
  4. Step 4: Simplify right side
    225,858.84x = 31,410,225,222.34
  5. Step 5: Solve for x
    x = 31,410,225,222.34/225,858.84
  6. Step 6: Final answer
    x = 139,070.16

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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.