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Finding the Fourth Proportional to 245,399.40, 367,661.70 and 151,795.80

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Solution

The fourth proportional to 245,399.40, 367,661.70 and 151,795.80 is: 227,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,399.40 : 367,661.70 = 151,795.80 : x
  2. Step 2: Convert to fraction form
    245,399.40/367,661.70 = 151,795.80/x
  3. Step 3: Cross multiply
    245,399.40x = 367,661.70 × 151,795.80
  4. Step 4: Simplify right side
    245,399.40x = 55,809,501,880.86
  5. Step 5: Solve for x
    x = 55,809,501,880.86/245,399.40
  6. Step 6: Final answer
    x = 227,423.14

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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.