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Finding the Fourth Proportional to 300,570.69, 450,934.45 and 132,124.19

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Solution

The fourth proportional to 300,570.69, 450,934.45 and 132,124.19 is: 198,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,570.69 : 450,934.45 = 132,124.19 : x
  2. Step 2: Convert to fraction form
    300,570.69/450,934.45 = 132,124.19/x
  3. Step 3: Cross multiply
    300,570.69x = 450,934.45 × 132,124.19
  4. Step 4: Simplify right side
    300,570.69x = 59,579,348,561.61
  5. Step 5: Solve for x
    x = 59,579,348,561.61/300,570.69
  6. Step 6: Final answer
    x = 198,220.76

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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.