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Finding the Fourth Proportional to 188,544.98, 260,185.42 and 103,661.39

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Solution

The fourth proportional to 188,544.98, 260,185.42 and 103,661.39 is: 143,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.98 : 260,185.42 = 103,661.39 : x
  2. Step 2: Convert to fraction form
    188,544.98/260,185.42 = 103,661.39/x
  3. Step 3: Cross multiply
    188,544.98x = 260,185.42 × 103,661.39
  4. Step 4: Simplify right side
    188,544.98x = 26,971,182,294.93
  5. Step 5: Solve for x
    x = 26,971,182,294.93/188,544.98
  6. Step 6: Final answer
    x = 143,049.06

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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.