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Finding the Fourth Proportional to 108,049.98, 149,102.90 and 60,306.41

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Solution

The fourth proportional to 108,049.98, 149,102.90 and 60,306.41 is: 83,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049.98 : 149,102.90 = 60,306.41 : x
  2. Step 2: Convert to fraction form
    108,049.98/149,102.90 = 60,306.41/x
  3. Step 3: Cross multiply
    108,049.98x = 149,102.90 × 60,306.41
  4. Step 4: Simplify right side
    108,049.98x = 8,991,860,024.84
  5. Step 5: Solve for x
    x = 8,991,860,024.84/108,049.98
  6. Step 6: Final answer
    x = 83,219.45

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1.5x scale

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.