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Finding the Fourth Proportional to 135,297.58, 186,557.84 and 101,196.79

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Solution

The fourth proportional to 135,297.58, 186,557.84 and 101,196.79 is: 139,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297.58 : 186,557.84 = 101,196.79 : x
  2. Step 2: Convert to fraction form
    135,297.58/186,557.84 = 101,196.79/x
  3. Step 3: Cross multiply
    135,297.58x = 186,557.84 × 101,196.79
  4. Step 4: Simplify right side
    135,297.58x = 18,879,054,557.33
  5. Step 5: Solve for x
    x = 18,879,054,557.33/135,297.58
  6. Step 6: Final answer
    x = 139,537.27

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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.