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Finding the Fourth Proportional to 74,522.38, 102,788.82 and 50,607.52

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Solution

The fourth proportional to 74,522.38, 102,788.82 and 50,607.52 is: 69,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.38 : 102,788.82 = 50,607.52 : x
  2. Step 2: Convert to fraction form
    74,522.38/102,788.82 = 50,607.52/x
  3. Step 3: Cross multiply
    74,522.38x = 102,788.82 × 50,607.52
  4. Step 4: Simplify right side
    74,522.38x = 5,201,887,263.93
  5. Step 5: Solve for x
    x = 5,201,887,263.93/74,522.38
  6. Step 6: Final answer
    x = 69,803.02

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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.