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Finding the Fourth Proportional to 73,791.10, 101,828.70 and 43,586.20

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Solution

The fourth proportional to 73,791.10, 101,828.70 and 43,586.20 is: 60,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.10 : 101,828.70 = 43,586.20 : x
  2. Step 2: Convert to fraction form
    73,791.10/101,828.70 = 43,586.20/x
  3. Step 3: Cross multiply
    73,791.10x = 101,828.70 × 43,586.20
  4. Step 4: Simplify right side
    73,791.10x = 4,438,326,501.96
  5. Step 5: Solve for x
    x = 4,438,326,501.96/73,791.10
  6. Step 6: Final answer
    x = 60,147.18

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1.5x scale

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.