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Finding the Fourth Proportional to 350,544.06, 525,605.49 and 137,057.63

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Solution

The fourth proportional to 350,544.06, 525,605.49 and 137,057.63 is: 205,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,544.06 : 525,605.49 = 137,057.63 : x
  2. Step 2: Convert to fraction form
    350,544.06/525,605.49 = 137,057.63/x
  3. Step 3: Cross multiply
    350,544.06x = 525,605.49 × 137,057.63
  4. Step 4: Simplify right side
    350,544.06x = 72,038,240,146.36
  5. Step 5: Solve for x
    x = 72,038,240,146.36/350,544.06
  6. Step 6: Final answer
    x = 205,504.10

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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.