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Finding the Fourth Proportional to 253,684.69, 350,087.45 and 153,063.25

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Solution

The fourth proportional to 253,684.69, 350,087.45 and 153,063.25 is: 211,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,684.69 : 350,087.45 = 153,063.25 : x
  2. Step 2: Convert to fraction form
    253,684.69/350,087.45 = 153,063.25/x
  3. Step 3: Cross multiply
    253,684.69x = 350,087.45 × 153,063.25
  4. Step 4: Simplify right side
    253,684.69x = 53,585,522,881.21
  5. Step 5: Solve for x
    x = 53,585,522,881.21/253,684.69
  6. Step 6: Final answer
    x = 211,228.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.