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Finding the Fourth Proportional to 169,411.69, 254,074.91 and 69,599.44

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Solution

The fourth proportional to 169,411.69, 254,074.91 and 69,599.44 is: 104,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411.69 : 254,074.91 = 69,599.44 : x
  2. Step 2: Convert to fraction form
    169,411.69/254,074.91 = 69,599.44/x
  3. Step 3: Cross multiply
    169,411.69x = 254,074.91 × 69,599.44
  4. Step 4: Simplify right side
    169,411.69x = 17,683,471,454.05
  5. Step 5: Solve for x
    x = 17,683,471,454.05/169,411.69
  6. Step 6: Final answer
    x = 104,381.65

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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.