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Finding the Fourth Proportional to 73,484.76, 110,276.16 and 47,208.36

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Solution

The fourth proportional to 73,484.76, 110,276.16 and 47,208.36 is: 70,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,484.76 : 110,276.16 = 47,208.36 : x
  2. Step 2: Convert to fraction form
    73,484.76/110,276.16 = 47,208.36/x
  3. Step 3: Cross multiply
    73,484.76x = 110,276.16 × 47,208.36
  4. Step 4: Simplify right side
    73,484.76x = 5,205,956,660.70
  5. Step 5: Solve for x
    x = 5,205,956,660.70/73,484.76
  6. Step 6: Final answer
    x = 70,844.03

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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.