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Finding the Fourth Proportional to 202,225.70, 303,352.95 and 61,984.10

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Solution

The fourth proportional to 202,225.70, 303,352.95 and 61,984.10 is: 92,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,225.70 : 303,352.95 = 61,984.10 : x
  2. Step 2: Convert to fraction form
    202,225.70/303,352.95 = 61,984.10/x
  3. Step 3: Cross multiply
    202,225.70x = 303,352.95 × 61,984.10
  4. Step 4: Simplify right side
    202,225.70x = 18,803,059,588.10
  5. Step 5: Solve for x
    x = 18,803,059,588.10/202,225.70
  6. Step 6: Final answer
    x = 92,980.56

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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.