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Finding the Fourth Proportional to 269,903.16, 372,466.26 and 149,044.68

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Solution

The fourth proportional to 269,903.16, 372,466.26 and 149,044.68 is: 205,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,903.16 : 372,466.26 = 149,044.68 : x
  2. Step 2: Convert to fraction form
    269,903.16/372,466.26 = 149,044.68/x
  3. Step 3: Cross multiply
    269,903.16x = 372,466.26 × 149,044.68
  4. Step 4: Simplify right side
    269,903.16x = 55,514,114,532.50
  5. Step 5: Solve for x
    x = 55,514,114,532.50/269,903.16
  6. Step 6: Final answer
    x = 205,681.60

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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.