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Finding the Fourth Proportional to 97,486.95, 146,103 and 70,559.97

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Solution

The fourth proportional to 97,486.95, 146,103 and 70,559.97 is: 105,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486.95 : 146,103 = 70,559.97 : x
  2. Step 2: Convert to fraction form
    97,486.95/146,103 = 70,559.97/x
  3. Step 3: Cross multiply
    97,486.95x = 146,103 × 70,559.97
  4. Step 4: Simplify right side
    97,486.95x = 10,309,023,296.91
  5. Step 5: Solve for x
    x = 10,309,023,296.91/97,486.95
  6. Step 6: Final answer
    x = 105,747.73

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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.