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Finding the Fourth Proportional to 295,136.60, 442,632.90 and 84,752.60

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Solution

The fourth proportional to 295,136.60, 442,632.90 and 84,752.60 is: 127,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,136.60 : 442,632.90 = 84,752.60 : x
  2. Step 2: Convert to fraction form
    295,136.60/442,632.90 = 84,752.60/x
  3. Step 3: Cross multiply
    295,136.60x = 442,632.90 × 84,752.60
  4. Step 4: Simplify right side
    295,136.60x = 37,514,289,120.54
  5. Step 5: Solve for x
    x = 37,514,289,120.54/295,136.60
  6. Step 6: Final answer
    x = 127,108.22

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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.