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Finding the Fourth Proportional to 73,285.48, 101,134.50 and 39,751.72

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Solution

The fourth proportional to 73,285.48, 101,134.50 and 39,751.72 is: 54,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.48 : 101,134.50 = 39,751.72 : x
  2. Step 2: Convert to fraction form
    73,285.48/101,134.50 = 39,751.72/x
  3. Step 3: Cross multiply
    73,285.48x = 101,134.50 × 39,751.72
  4. Step 4: Simplify right side
    73,285.48x = 4,020,270,326.34
  5. Step 5: Solve for x
    x = 4,020,270,326.34/73,285.48
  6. Step 6: Final answer
    x = 54,857.67

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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.