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Finding the Fourth Proportional to 73,048.96, 100,804.92 and 45,839.72

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Solution

The fourth proportional to 73,048.96, 100,804.92 and 45,839.72 is: 63,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,048.96 : 100,804.92 = 45,839.72 : x
  2. Step 2: Convert to fraction form
    73,048.96/100,804.92 = 45,839.72/x
  3. Step 3: Cross multiply
    73,048.96x = 100,804.92 × 45,839.72
  4. Step 4: Simplify right side
    73,048.96x = 4,620,869,307.42
  5. Step 5: Solve for x
    x = 4,620,869,307.42/73,048.96
  6. Step 6: Final answer
    x = 63,257.15

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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.