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Finding the Fourth Proportional to 202,112.34, 303,168.50 and 61,852.74

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Solution

The fourth proportional to 202,112.34, 303,168.50 and 61,852.74 is: 92,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,112.34 : 303,168.50 = 61,852.74 : x
  2. Step 2: Convert to fraction form
    202,112.34/303,168.50 = 61,852.74/x
  3. Step 3: Cross multiply
    202,112.34x = 303,168.50 × 61,852.74
  4. Step 4: Simplify right side
    202,112.34x = 18,751,802,406.69
  5. Step 5: Solve for x
    x = 18,751,802,406.69/202,112.34
  6. Step 6: Final answer
    x = 92,779.11

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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.