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Finding the Fourth Proportional to 97,658.78, 146,734.03 and 62,136.09

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Solution

The fourth proportional to 97,658.78, 146,734.03 and 62,136.09 is: 93,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,658.78 : 146,734.03 = 62,136.09 : x
  2. Step 2: Convert to fraction form
    97,658.78/146,734.03 = 62,136.09/x
  3. Step 3: Cross multiply
    97,658.78x = 146,734.03 × 62,136.09
  4. Step 4: Simplify right side
    97,658.78x = 9,117,478,559.12
  5. Step 5: Solve for x
    x = 9,117,478,559.12/97,658.78
  6. Step 6: Final answer
    x = 93,360.57

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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.