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Finding the Fourth Proportional to 272,344.80, 375,830.42 and 151,483.49

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Solution

The fourth proportional to 272,344.80, 375,830.42 and 151,483.49 is: 209,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,344.80 : 375,830.42 = 151,483.49 : x
  2. Step 2: Convert to fraction form
    272,344.80/375,830.42 = 151,483.49/x
  3. Step 3: Cross multiply
    272,344.80x = 375,830.42 × 151,483.49
  4. Step 4: Simplify right side
    272,344.80x = 56,932,101,033.20
  5. Step 5: Solve for x
    x = 56,932,101,033.20/272,344.80
  6. Step 6: Final answer
    x = 209,044.20

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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.