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Finding the Fourth Proportional to 362,872.49, 544,316.21 and 132,053.57

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Solution

The fourth proportional to 362,872.49, 544,316.21 and 132,053.57 is: 198,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,872.49 : 544,316.21 = 132,053.57 : x
  2. Step 2: Convert to fraction form
    362,872.49/544,316.21 = 132,053.57/x
  3. Step 3: Cross multiply
    362,872.49x = 544,316.21 × 132,053.57
  4. Step 4: Simplify right side
    362,872.49x = 71,878,900,430.29
  5. Step 5: Solve for x
    x = 71,878,900,430.29/362,872.49
  6. Step 6: Final answer
    x = 198,083.08

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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.