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Finding the Fourth Proportional to 73,552.95, 110,345.76 and 20,962.89

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Solution

The fourth proportional to 73,552.95, 110,345.76 and 20,962.89 is: 31,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,552.95 : 110,345.76 = 20,962.89 : x
  2. Step 2: Convert to fraction form
    73,552.95/110,345.76 = 20,962.89/x
  3. Step 3: Cross multiply
    73,552.95x = 110,345.76 × 20,962.89
  4. Step 4: Simplify right side
    73,552.95x = 2,313,166,028.85
  5. Step 5: Solve for x
    x = 2,313,166,028.85/73,552.95
  6. Step 6: Final answer
    x = 31,448.99

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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.