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Finding the Fourth Proportional to 225,429, 311,092.02 and 124,827

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Solution

The fourth proportional to 225,429, 311,092.02 and 124,827 is: 172,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,429 : 311,092.02 = 124,827 : x
  2. Step 2: Convert to fraction form
    225,429/311,092.02 = 124,827/x
  3. Step 3: Cross multiply
    225,429x = 311,092.02 × 124,827
  4. Step 4: Simplify right side
    225,429x = 38,832,683,580.54
  5. Step 5: Solve for x
    x = 38,832,683,580.54/225,429
  6. Step 6: Final answer
    x = 172,261.26

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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.