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Finding the Fourth Proportional to 64,678.94, 89,180.58 and 44,270.84

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Solution

The fourth proportional to 64,678.94, 89,180.58 and 44,270.84 is: 61,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.94 : 89,180.58 = 44,270.84 : x
  2. Step 2: Convert to fraction form
    64,678.94/89,180.58 = 44,270.84/x
  3. Step 3: Cross multiply
    64,678.94x = 89,180.58 × 44,270.84
  4. Step 4: Simplify right side
    64,678.94x = 3,948,099,188.29
  5. Step 5: Solve for x
    x = 3,948,099,188.29/64,678.94
  6. Step 6: Final answer
    x = 61,041.49

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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.