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Finding the Fourth Proportional to 78,494.61, 108,325.42 and 44,967.09

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Solution

The fourth proportional to 78,494.61, 108,325.42 and 44,967.09 is: 62,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,494.61 : 108,325.42 = 44,967.09 : x
  2. Step 2: Convert to fraction form
    78,494.61/108,325.42 = 44,967.09/x
  3. Step 3: Cross multiply
    78,494.61x = 108,325.42 × 44,967.09
  4. Step 4: Simplify right side
    78,494.61x = 4,871,078,956.41
  5. Step 5: Solve for x
    x = 4,871,078,956.41/78,494.61
  6. Step 6: Final answer
    x = 62,056.22

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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.