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Finding the Fourth Proportional to 169,227.85, 253,839.95 and 69,365.79

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Solution

The fourth proportional to 169,227.85, 253,839.95 and 69,365.79 is: 104,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,227.85 : 253,839.95 = 69,365.79 : x
  2. Step 2: Convert to fraction form
    169,227.85/253,839.95 = 69,365.79/x
  3. Step 3: Cross multiply
    169,227.85x = 253,839.95 × 69,365.79
  4. Step 4: Simplify right side
    169,227.85x = 17,607,808,016.89
  5. Step 5: Solve for x
    x = 17,607,808,016.89/169,227.85
  6. Step 6: Final answer
    x = 104,047.93

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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.