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Finding the Fourth Proportional to 105,447.44, 158,904.71 and 95,455.22

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Solution

The fourth proportional to 105,447.44, 158,904.71 and 95,455.22 is: 143,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.44 : 158,904.71 = 95,455.22 : x
  2. Step 2: Convert to fraction form
    105,447.44/158,904.71 = 95,455.22/x
  3. Step 3: Cross multiply
    105,447.44x = 158,904.71 × 95,455.22
  4. Step 4: Simplify right side
    105,447.44x = 15,168,284,052.09
  5. Step 5: Solve for x
    x = 15,168,284,052.09/105,447.44
  6. Step 6: Final answer
    x = 143,846.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.