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Finding the Fourth Proportional to 202,548.60, 303,794.82 and 69,426.72

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Solution

The fourth proportional to 202,548.60, 303,794.82 and 69,426.72 is: 104,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,548.60 : 303,794.82 = 69,426.72 : x
  2. Step 2: Convert to fraction form
    202,548.60/303,794.82 = 69,426.72/x
  3. Step 3: Cross multiply
    202,548.60x = 303,794.82 × 69,426.72
  4. Step 4: Simplify right side
    202,548.60x = 21,091,477,905.59
  5. Step 5: Solve for x
    x = 21,091,477,905.59/202,548.60
  6. Step 6: Final answer
    x = 104,130.46

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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.