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Finding the Fourth Proportional to 188,773.56, 260,497.62 and 103,874.22

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Solution

The fourth proportional to 188,773.56, 260,497.62 and 103,874.22 is: 143,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,773.56 : 260,497.62 = 103,874.22 : x
  2. Step 2: Convert to fraction form
    188,773.56/260,497.62 = 103,874.22/x
  3. Step 3: Cross multiply
    188,773.56x = 260,497.62 × 103,874.22
  4. Step 4: Simplify right side
    188,773.56x = 27,058,987,089.36
  5. Step 5: Solve for x
    x = 27,058,987,089.36/188,773.56
  6. Step 6: Final answer
    x = 143,340.98

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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.