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Finding the Fourth Proportional to 272,196.54, 375,626.36 and 151,335.22

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Solution

The fourth proportional to 272,196.54, 375,626.36 and 151,335.22 is: 208,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,196.54 : 375,626.36 = 151,335.22 : x
  2. Step 2: Convert to fraction form
    272,196.54/375,626.36 = 151,335.22/x
  3. Step 3: Cross multiply
    272,196.54x = 375,626.36 × 151,335.22
  4. Step 4: Simplify right side
    272,196.54x = 56,845,497,828.40
  5. Step 5: Solve for x
    x = 56,845,497,828.40/272,196.54
  6. Step 6: Final answer
    x = 208,839.90

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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.