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Finding the Fourth Proportional to 73,599, 101,566.64 and 40,065

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Solution

The fourth proportional to 73,599, 101,566.64 and 40,065 is: 55,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,599 : 101,566.64 = 40,065 : x
  2. Step 2: Convert to fraction form
    73,599/101,566.64 = 40,065/x
  3. Step 3: Cross multiply
    73,599x = 101,566.64 × 40,065
  4. Step 4: Simplify right side
    73,599x = 4,069,267,431.60
  5. Step 5: Solve for x
    x = 4,069,267,431.60/73,599
  6. Step 6: Final answer
    x = 55,289.71

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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.