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Finding the Fourth Proportional to 176,433.56, 264,655.20 and 43,313.30

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Solution

The fourth proportional to 176,433.56, 264,655.20 and 43,313.30 is: 64,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,433.56 : 264,655.20 = 43,313.30 : x
  2. Step 2: Convert to fraction form
    176,433.56/264,655.20 = 43,313.30/x
  3. Step 3: Cross multiply
    176,433.56x = 264,655.20 × 43,313.30
  4. Step 4: Simplify right side
    176,433.56x = 11,463,090,074.16
  5. Step 5: Solve for x
    x = 11,463,090,074.16/176,433.56
  6. Step 6: Final answer
    x = 64,971.14

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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.