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Finding the Fourth Proportional to 112,009.44, 167,994.72 and 38,137.44

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Solution

The fourth proportional to 112,009.44, 167,994.72 and 38,137.44 is: 57,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.44 : 167,994.72 = 38,137.44 : x
  2. Step 2: Convert to fraction form
    112,009.44/167,994.72 = 38,137.44/x
  3. Step 3: Cross multiply
    112,009.44x = 167,994.72 × 38,137.44
  4. Step 4: Simplify right side
    112,009.44x = 6,406,888,554.32
  5. Step 5: Solve for x
    x = 6,406,888,554.32/112,009.44
  6. Step 6: Final answer
    x = 57,199.54

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1.5x scale

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.