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Finding the Fourth Proportional to 99,152.01, 148,676.99 and 39,971.79

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Solution

The fourth proportional to 99,152.01, 148,676.99 and 39,971.79 is: 59,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,152.01 : 148,676.99 = 39,971.79 : x
  2. Step 2: Convert to fraction form
    99,152.01/148,676.99 = 39,971.79/x
  3. Step 3: Cross multiply
    99,152.01x = 148,676.99 × 39,971.79
  4. Step 4: Simplify right side
    99,152.01x = 5,942,885,222.25
  5. Step 5: Solve for x
    x = 5,942,885,222.25/99,152.01
  6. Step 6: Final answer
    x = 59,937.11

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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.