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Finding the Fourth Proportional to 98,595, 136,061.10 and 63,328.44

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Solution

The fourth proportional to 98,595, 136,061.10 and 63,328.44 is: 87,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,595 : 136,061.10 = 63,328.44 : x
  2. Step 2: Convert to fraction form
    98,595/136,061.10 = 63,328.44/x
  3. Step 3: Cross multiply
    98,595x = 136,061.10 × 63,328.44
  4. Step 4: Simplify right side
    98,595x = 8,616,537,207.68
  5. Step 5: Solve for x
    x = 8,616,537,207.68/98,595
  6. Step 6: Final answer
    x = 87,393.25

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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.