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Finding the Fourth Proportional to 237,309.82, 355,955.49 and 87,485.29

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Solution

The fourth proportional to 237,309.82, 355,955.49 and 87,485.29 is: 131,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,309.82 : 355,955.49 = 87,485.29 : x
  2. Step 2: Convert to fraction form
    237,309.82/355,955.49 = 87,485.29/x
  3. Step 3: Cross multiply
    237,309.82x = 355,955.49 × 87,485.29
  4. Step 4: Simplify right side
    237,309.82x = 31,140,869,269.74
  5. Step 5: Solve for x
    x = 31,140,869,269.74/237,309.82
  6. Step 6: Final answer
    x = 131,224.53

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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.