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Finding the Fourth Proportional to 207,185.36, 310,401.72 and 94,958.96

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Solution

The fourth proportional to 207,185.36, 310,401.72 and 94,958.96 is: 142,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,185.36 : 310,401.72 = 94,958.96 : x
  2. Step 2: Convert to fraction form
    207,185.36/310,401.72 = 94,958.96/x
  3. Step 3: Cross multiply
    207,185.36x = 310,401.72 × 94,958.96
  4. Step 4: Simplify right side
    207,185.36x = 29,475,424,513.41
  5. Step 5: Solve for x
    x = 29,475,424,513.41/207,185.36
  6. Step 6: Final answer
    x = 142,265.96

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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.