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Finding the Fourth Proportional to 245,069.46, 367,342.83 and 139,661.46

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Solution

The fourth proportional to 245,069.46, 367,342.83 and 139,661.46 is: 209,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,069.46 : 367,342.83 = 139,661.46 : x
  2. Step 2: Convert to fraction form
    245,069.46/367,342.83 = 139,661.46/x
  3. Step 3: Cross multiply
    245,069.46x = 367,342.83 × 139,661.46
  4. Step 4: Simplify right side
    245,069.46x = 51,303,635,958.33
  5. Step 5: Solve for x
    x = 51,303,635,958.33/245,069.46
  6. Step 6: Final answer
    x = 209,343.24

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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.