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Finding the Fourth Proportional to 69,365.15, 104,047.71 and 29,390.43

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Solution

The fourth proportional to 69,365.15, 104,047.71 and 29,390.43 is: 44,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.15 : 104,047.71 = 29,390.43 : x
  2. Step 2: Convert to fraction form
    69,365.15/104,047.71 = 29,390.43/x
  3. Step 3: Cross multiply
    69,365.15x = 104,047.71 × 29,390.43
  4. Step 4: Simplify right side
    69,365.15x = 3,058,006,937.42
  5. Step 5: Solve for x
    x = 3,058,006,937.42/69,365.15
  6. Step 6: Final answer
    x = 44,085.64

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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.