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Finding the Fourth Proportional to 229,530.80, 344,555.40 and 177,172.40

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Solution

The fourth proportional to 229,530.80, 344,555.40 and 177,172.40 is: 265,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,530.80 : 344,555.40 = 177,172.40 : x
  2. Step 2: Convert to fraction form
    229,530.80/344,555.40 = 177,172.40/x
  3. Step 3: Cross multiply
    229,530.80x = 344,555.40 × 177,172.40
  4. Step 4: Simplify right side
    229,530.80x = 61,045,707,150.96
  5. Step 5: Solve for x
    x = 61,045,707,150.96/229,530.80
  6. Step 6: Final answer
    x = 265,958.67

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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.