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Finding the Fourth Proportional to 248,081.61, 372,245.37 and 98,318.58

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Solution

The fourth proportional to 248,081.61, 372,245.37 and 98,318.58 is: 147,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,081.61 : 372,245.37 = 98,318.58 : x
  2. Step 2: Convert to fraction form
    248,081.61/372,245.37 = 98,318.58/x
  3. Step 3: Cross multiply
    248,081.61x = 372,245.37 × 98,318.58
  4. Step 4: Simplify right side
    248,081.61x = 36,598,636,189.97
  5. Step 5: Solve for x
    x = 36,598,636,189.97/248,081.61
  6. Step 6: Final answer
    x = 147,526.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.