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Finding the Fourth Proportional to 229,011.55, 343,167.01 and 122,410.67

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Solution

The fourth proportional to 229,011.55, 343,167.01 and 122,410.67 is: 183,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,011.55 : 343,167.01 = 122,410.67 : x
  2. Step 2: Convert to fraction form
    229,011.55/343,167.01 = 122,410.67/x
  3. Step 3: Cross multiply
    229,011.55x = 343,167.01 × 122,410.67
  4. Step 4: Simplify right side
    229,011.55x = 42,007,303,003.94
  5. Step 5: Solve for x
    x = 42,007,303,003.94/229,011.55
  6. Step 6: Final answer
    x = 183,428.76

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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.