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Finding the Fourth Proportional to 249,245.69, 373,990.53 and 154,450.52

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Solution

The fourth proportional to 249,245.69, 373,990.53 and 154,450.52 is: 231,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,245.69 : 373,990.53 = 154,450.52 : x
  2. Step 2: Convert to fraction form
    249,245.69/373,990.53 = 154,450.52/x
  3. Step 3: Cross multiply
    249,245.69x = 373,990.53 × 154,450.52
  4. Step 4: Simplify right side
    249,245.69x = 57,763,031,833.58
  5. Step 5: Solve for x
    x = 57,763,031,833.58/249,245.69
  6. Step 6: Final answer
    x = 231,751.38

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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.