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Finding the Fourth Proportional to 208,525.24, 287,930.48 and 192,603.88

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Solution

The fourth proportional to 208,525.24, 287,930.48 and 192,603.88 is: 265,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,525.24 : 287,930.48 = 192,603.88 : x
  2. Step 2: Convert to fraction form
    208,525.24/287,930.48 = 192,603.88/x
  3. Step 3: Cross multiply
    208,525.24x = 287,930.48 × 192,603.88
  4. Step 4: Simplify right side
    208,525.24x = 55,456,527,618.26
  5. Step 5: Solve for x
    x = 55,456,527,618.26/208,525.24
  6. Step 6: Final answer
    x = 265,946.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.