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Finding the Fourth Proportional to 178,425.55, 246,215 and 97,851.31

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Solution

The fourth proportional to 178,425.55, 246,215 and 97,851.31 is: 135,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,425.55 : 246,215 = 97,851.31 : x
  2. Step 2: Convert to fraction form
    178,425.55/246,215 = 97,851.31/x
  3. Step 3: Cross multiply
    178,425.55x = 246,215 × 97,851.31
  4. Step 4: Simplify right side
    178,425.55x = 24,092,460,291.65
  5. Step 5: Solve for x
    x = 24,092,460,291.65/178,425.55
  6. Step 6: Final answer
    x = 135,028.08

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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.