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Finding the Fourth Proportional to 252,645.64, 378,916.26 and 94,870.60

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Solution

The fourth proportional to 252,645.64, 378,916.26 and 94,870.60 is: 142,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,645.64 : 378,916.26 = 94,870.60 : x
  2. Step 2: Convert to fraction form
    252,645.64/378,916.26 = 94,870.60/x
  3. Step 3: Cross multiply
    252,645.64x = 378,916.26 × 94,870.60
  4. Step 4: Simplify right side
    252,645.64x = 35,948,012,935.96
  5. Step 5: Solve for x
    x = 35,948,012,935.96/252,645.64
  6. Step 6: Final answer
    x = 142,286.30

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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.