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Finding the Fourth Proportional to 69,875.94, 104,814.72 and 29,889.48

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Solution

The fourth proportional to 69,875.94, 104,814.72 and 29,889.48 is: 44,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,875.94 : 104,814.72 = 29,889.48 : x
  2. Step 2: Convert to fraction form
    69,875.94/104,814.72 = 29,889.48/x
  3. Step 3: Cross multiply
    69,875.94x = 104,814.72 × 29,889.48
  4. Step 4: Simplify right side
    69,875.94x = 3,132,857,477.15
  5. Step 5: Solve for x
    x = 3,132,857,477.15/69,875.94
  6. Step 6: Final answer
    x = 44,834.57

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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.