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Finding the Fourth Proportional to 252,484.52, 348,554.90 and 157,021.97

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Solution

The fourth proportional to 252,484.52, 348,554.90 and 157,021.97 is: 216,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,484.52 : 348,554.90 = 157,021.97 : x
  2. Step 2: Convert to fraction form
    252,484.52/348,554.90 = 157,021.97/x
  3. Step 3: Cross multiply
    252,484.52x = 348,554.90 × 157,021.97
  4. Step 4: Simplify right side
    252,484.52x = 54,730,777,051.15
  5. Step 5: Solve for x
    x = 54,730,777,051.15/252,484.52
  6. Step 6: Final answer
    x = 216,768.84

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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.