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Finding the Fourth Proportional to 98,100.21, 147,048.24 and 45,466.41

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Solution

The fourth proportional to 98,100.21, 147,048.24 and 45,466.41 is: 68,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,100.21 : 147,048.24 = 45,466.41 : x
  2. Step 2: Convert to fraction form
    98,100.21/147,048.24 = 45,466.41/x
  3. Step 3: Cross multiply
    98,100.21x = 147,048.24 × 45,466.41
  4. Step 4: Simplify right side
    98,100.21x = 6,685,755,569.62
  5. Step 5: Solve for x
    x = 6,685,755,569.62/98,100.21
  6. Step 6: Final answer
    x = 68,152.31

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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.