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Finding the Fourth Proportional to 225,537.66, 311,241.97 and 124,935.66

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Solution

The fourth proportional to 225,537.66, 311,241.97 and 124,935.66 is: 172,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,537.66 : 311,241.97 = 124,935.66 : x
  2. Step 2: Convert to fraction form
    225,537.66/311,241.97 = 124,935.66/x
  3. Step 3: Cross multiply
    225,537.66x = 311,241.97 × 124,935.66
  4. Step 4: Simplify right side
    225,537.66x = 38,885,220,629.31
  5. Step 5: Solve for x
    x = 38,885,220,629.31/225,537.66
  6. Step 6: Final answer
    x = 172,411.21

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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.