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Finding the Fourth Proportional to 227,457.03, 340,485.71 and 148,401.03

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Solution

The fourth proportional to 227,457.03, 340,485.71 and 148,401.03 is: 222,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,457.03 : 340,485.71 = 148,401.03 : x
  2. Step 2: Convert to fraction form
    227,457.03/340,485.71 = 148,401.03/x
  3. Step 3: Cross multiply
    227,457.03x = 340,485.71 × 148,401.03
  4. Step 4: Simplify right side
    227,457.03x = 50,528,429,322.28
  5. Step 5: Solve for x
    x = 50,528,429,322.28/227,457.03
  6. Step 6: Final answer
    x = 222,144.94

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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.