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Finding the Fourth Proportional to 73,315.41, 110,149.20 and 47,071.41

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Solution

The fourth proportional to 73,315.41, 110,149.20 and 47,071.41 is: 70,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.41 : 110,149.20 = 47,071.41 : x
  2. Step 2: Convert to fraction form
    73,315.41/110,149.20 = 47,071.41/x
  3. Step 3: Cross multiply
    73,315.41x = 110,149.20 × 47,071.41
  4. Step 4: Simplify right side
    73,315.41x = 5,184,878,154.37
  5. Step 5: Solve for x
    x = 5,184,878,154.37/73,315.41
  6. Step 6: Final answer
    x = 70,720.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.