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Finding the Fourth Proportional to 71,858.32, 99,164.44 and 41,661.12

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Solution

The fourth proportional to 71,858.32, 99,164.44 and 41,661.12 is: 57,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,858.32 : 99,164.44 = 41,661.12 : x
  2. Step 2: Convert to fraction form
    71,858.32/99,164.44 = 41,661.12/x
  3. Step 3: Cross multiply
    71,858.32x = 99,164.44 × 41,661.12
  4. Step 4: Simplify right side
    71,858.32x = 4,131,301,634.57
  5. Step 5: Solve for x
    x = 4,131,301,634.57/71,858.32
  6. Step 6: Final answer
    x = 57,492.32

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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.