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Finding the Fourth Proportional to 90,469.56, 124,848.10 and 52,751.10

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Solution

The fourth proportional to 90,469.56, 124,848.10 and 52,751.10 is: 72,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.56 : 124,848.10 = 52,751.10 : x
  2. Step 2: Convert to fraction form
    90,469.56/124,848.10 = 52,751.10/x
  3. Step 3: Cross multiply
    90,469.56x = 124,848.10 × 52,751.10
  4. Step 4: Simplify right side
    90,469.56x = 6,585,874,607.91
  5. Step 5: Solve for x
    x = 6,585,874,607.91/90,469.56
  6. Step 6: Final answer
    x = 72,796.58

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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.