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Finding the Fourth Proportional to 350,516.31, 525,563.87 and 137,029.95

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Solution

The fourth proportional to 350,516.31, 525,563.87 and 137,029.95 is: 205,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,516.31 : 525,563.87 = 137,029.95 : x
  2. Step 2: Convert to fraction form
    350,516.31/525,563.87 = 137,029.95/x
  3. Step 3: Cross multiply
    350,516.31x = 525,563.87 × 137,029.95
  4. Step 4: Simplify right side
    350,516.31x = 72,017,990,142.76
  5. Step 5: Solve for x
    x = 72,017,990,142.76/350,516.31
  6. Step 6: Final answer
    x = 205,462.60

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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.