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Finding the Fourth Proportional to 269,951.74, 372,536.40 and 149,090.22

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Solution

The fourth proportional to 269,951.74, 372,536.40 and 149,090.22 is: 205,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,951.74 : 372,536.40 = 149,090.22 : x
  2. Step 2: Convert to fraction form
    269,951.74/372,536.40 = 149,090.22/x
  3. Step 3: Cross multiply
    269,951.74x = 372,536.40 × 149,090.22
  4. Step 4: Simplify right side
    269,951.74x = 55,541,533,834.01
  5. Step 5: Solve for x
    x = 55,541,533,834.01/269,951.74
  6. Step 6: Final answer
    x = 205,746.16

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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.