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Finding the Fourth Proportional to 164,048.36, 246,106.86 and 69,278.82

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Solution

The fourth proportional to 164,048.36, 246,106.86 and 69,278.82 is: 103,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,048.36 : 246,106.86 = 69,278.82 : x
  2. Step 2: Convert to fraction form
    164,048.36/246,106.86 = 69,278.82/x
  3. Step 3: Cross multiply
    164,048.36x = 246,106.86 × 69,278.82
  4. Step 4: Simplify right side
    164,048.36x = 17,049,992,854.71
  5. Step 5: Solve for x
    x = 17,049,992,854.71/164,048.36
  6. Step 6: Final answer
    x = 103,932.72

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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.