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Finding the Fourth Proportional to 216,744.68, 325,119.41 and 96,807.74

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Solution

The fourth proportional to 216,744.68, 325,119.41 and 96,807.74 is: 145,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,744.68 : 325,119.41 = 96,807.74 : x
  2. Step 2: Convert to fraction form
    216,744.68/325,119.41 = 96,807.74/x
  3. Step 3: Cross multiply
    216,744.68x = 325,119.41 × 96,807.74
  4. Step 4: Simplify right side
    216,744.68x = 31,474,073,202.60
  5. Step 5: Solve for x
    x = 31,474,073,202.60/216,744.68
  6. Step 6: Final answer
    x = 145,212.67

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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.