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Finding the Fourth Proportional to 89,374.35, 123,336.03 and 53,564.35

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Solution

The fourth proportional to 89,374.35, 123,336.03 and 53,564.35 is: 73,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,374.35 : 123,336.03 = 53,564.35 : x
  2. Step 2: Convert to fraction form
    89,374.35/123,336.03 = 53,564.35/x
  3. Step 3: Cross multiply
    89,374.35x = 123,336.03 × 53,564.35
  4. Step 4: Simplify right side
    89,374.35x = 6,606,414,278.53
  5. Step 5: Solve for x
    x = 6,606,414,278.53/89,374.35
  6. Step 6: Final answer
    x = 73,918.46

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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.