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Finding the Fourth Proportional to 248,588.47, 343,042.41 and 151,954.12

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Solution

The fourth proportional to 248,588.47, 343,042.41 and 151,954.12 is: 209,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,588.47 : 343,042.41 = 151,954.12 : x
  2. Step 2: Convert to fraction form
    248,588.47/343,042.41 = 151,954.12/x
  3. Step 3: Cross multiply
    248,588.47x = 343,042.41 × 151,954.12
  4. Step 4: Simplify right side
    248,588.47x = 52,126,707,534.23
  5. Step 5: Solve for x
    x = 52,126,707,534.23/248,588.47
  6. Step 6: Final answer
    x = 209,690.77

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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.