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Finding the Fourth Proportional to 64,777.36, 89,316.36 and 44,369.32

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Solution

The fourth proportional to 64,777.36, 89,316.36 and 44,369.32 is: 61,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.36 : 89,316.36 = 44,369.32 : x
  2. Step 2: Convert to fraction form
    64,777.36/89,316.36 = 44,369.32/x
  3. Step 3: Cross multiply
    64,777.36x = 89,316.36 × 44,369.32
  4. Step 4: Simplify right side
    64,777.36x = 3,962,906,158.08
  5. Step 5: Solve for x
    x = 3,962,906,158.08/64,777.36
  6. Step 6: Final answer
    x = 61,177.33

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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.