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Finding the Fourth Proportional to 163,995.83, 245,782.54 and 79,592.66

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Solution

The fourth proportional to 163,995.83, 245,782.54 and 79,592.66 is: 119,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,995.83 : 245,782.54 = 79,592.66 : x
  2. Step 2: Convert to fraction form
    163,995.83/245,782.54 = 79,592.66/x
  3. Step 3: Cross multiply
    163,995.83x = 245,782.54 × 79,592.66
  4. Step 4: Simplify right side
    163,995.83x = 19,562,484,513.28
  5. Step 5: Solve for x
    x = 19,562,484,513.28/163,995.83
  6. Step 6: Final answer
    x = 119,286.48

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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.