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Finding the Fourth Proportional to 98,373.78, 147,561.06 and 36,044.28

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Solution

The fourth proportional to 98,373.78, 147,561.06 and 36,044.28 is: 54,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373.78 : 147,561.06 = 36,044.28 : x
  2. Step 2: Convert to fraction form
    98,373.78/147,561.06 = 36,044.28/x
  3. Step 3: Cross multiply
    98,373.78x = 147,561.06 × 36,044.28
  4. Step 4: Simplify right side
    98,373.78x = 5,318,732,163.74
  5. Step 5: Solve for x
    x = 5,318,732,163.74/98,373.78
  6. Step 6: Final answer
    x = 54,066.56

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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.