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Finding the Fourth Proportional to 350,511.52, 525,556.71 and 137,025.17

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Solution

The fourth proportional to 350,511.52, 525,556.71 and 137,025.17 is: 205,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,511.52 : 525,556.71 = 137,025.17 : x
  2. Step 2: Convert to fraction form
    350,511.52/525,556.71 = 137,025.17/x
  3. Step 3: Cross multiply
    350,511.52x = 525,556.71 × 137,025.17
  4. Step 4: Simplify right side
    350,511.52x = 72,014,497,532.39
  5. Step 5: Solve for x
    x = 72,014,497,532.39/350,511.52
  6. Step 6: Final answer
    x = 205,455.44

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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.