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Finding the Fourth Proportional to 169,366.82, 253,828.76 and 69,409.98

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Solution

The fourth proportional to 169,366.82, 253,828.76 and 69,409.98 is: 104,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,366.82 : 253,828.76 = 69,409.98 : x
  2. Step 2: Convert to fraction form
    169,366.82/253,828.76 = 69,409.98/x
  3. Step 3: Cross multiply
    169,366.82x = 253,828.76 × 69,409.98
  4. Step 4: Simplify right side
    169,366.82x = 17,618,249,702.83
  5. Step 5: Solve for x
    x = 17,618,249,702.83/169,366.82
  6. Step 6: Final answer
    x = 104,024.21

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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.