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Finding the Fourth Proportional to 295,044.93, 442,555.88 and 84,682.80

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Solution

The fourth proportional to 295,044.93, 442,555.88 and 84,682.80 is: 127,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,044.93 : 442,555.88 = 84,682.80 : x
  2. Step 2: Convert to fraction form
    295,044.93/442,555.88 = 84,682.80/x
  3. Step 3: Cross multiply
    295,044.93x = 442,555.88 × 84,682.80
  4. Step 4: Simplify right side
    295,044.93x = 37,476,870,651.45
  5. Step 5: Solve for x
    x = 37,476,870,651.45/295,044.93
  6. Step 6: Final answer
    x = 127,020.89

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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.