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Finding the Fourth Proportional to 69,502.44, 104,237.64 and 41,430.40

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Solution

The fourth proportional to 69,502.44, 104,237.64 and 41,430.40 is: 62,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.44 : 104,237.64 = 41,430.40 : x
  2. Step 2: Convert to fraction form
    69,502.44/104,237.64 = 41,430.40/x
  3. Step 3: Cross multiply
    69,502.44x = 104,237.64 × 41,430.40
  4. Step 4: Simplify right side
    69,502.44x = 4,318,607,120.26
  5. Step 5: Solve for x
    x = 4,318,607,120.26/69,502.44
  6. Step 6: Final answer
    x = 62,136.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.