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Finding the Fourth Proportional to 64,740.58, 89,270.58 and 44,325.99

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Solution

The fourth proportional to 64,740.58, 89,270.58 and 44,325.99 is: 61,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.58 : 89,270.58 = 44,325.99 : x
  2. Step 2: Convert to fraction form
    64,740.58/89,270.58 = 44,325.99/x
  3. Step 3: Cross multiply
    64,740.58x = 89,270.58 × 44,325.99
  4. Step 4: Simplify right side
    64,740.58x = 3,957,006,836.37
  5. Step 5: Solve for x
    x = 3,957,006,836.37/64,740.58
  6. Step 6: Final answer
    x = 61,120.97

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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.