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Finding the Fourth Proportional to 73,506.08, 101,405.64 and 48,982.40

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Solution

The fourth proportional to 73,506.08, 101,405.64 and 48,982.40 is: 67,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,506.08 : 101,405.64 = 48,982.40 : x
  2. Step 2: Convert to fraction form
    73,506.08/101,405.64 = 48,982.40/x
  3. Step 3: Cross multiply
    73,506.08x = 101,405.64 × 48,982.40
  4. Step 4: Simplify right side
    73,506.08x = 4,967,091,620.74
  5. Step 5: Solve for x
    x = 4,967,091,620.74/73,506.08
  6. Step 6: Final answer
    x = 67,573.89

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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.