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Finding the Fourth Proportional to 98,647.70, 147,982.35 and 95,537.30

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Solution

The fourth proportional to 98,647.70, 147,982.35 and 95,537.30 is: 143,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.70 : 147,982.35 = 95,537.30 : x
  2. Step 2: Convert to fraction form
    98,647.70/147,982.35 = 95,537.30/x
  3. Step 3: Cross multiply
    98,647.70x = 147,982.35 × 95,537.30
  4. Step 4: Simplify right side
    98,647.70x = 14,137,834,166.66
  5. Step 5: Solve for x
    x = 14,137,834,166.66/98,647.70
  6. Step 6: Final answer
    x = 143,316.41

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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.