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Finding the Fourth Proportional to 75,439.93, 104,063.80 and 47,096.41

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Solution

The fourth proportional to 75,439.93, 104,063.80 and 47,096.41 is: 64,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.93 : 104,063.80 = 47,096.41 : x
  2. Step 2: Convert to fraction form
    75,439.93/104,063.80 = 47,096.41/x
  3. Step 3: Cross multiply
    75,439.93x = 104,063.80 × 47,096.41
  4. Step 4: Simplify right side
    75,439.93x = 4,901,031,390.96
  5. Step 5: Solve for x
    x = 4,901,031,390.96/75,439.93
  6. Step 6: Final answer
    x = 64,966.01

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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.