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Finding the Fourth Proportional to 252,318.50, 378,475.95 and 92,405.40

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Solution

The fourth proportional to 252,318.50, 378,475.95 and 92,405.40 is: 138,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,318.50 : 378,475.95 = 92,405.40 : x
  2. Step 2: Convert to fraction form
    252,318.50/378,475.95 = 92,405.40/x
  3. Step 3: Cross multiply
    252,318.50x = 378,475.95 × 92,405.40
  4. Step 4: Simplify right side
    252,318.50x = 34,973,219,784.33
  5. Step 5: Solve for x
    x = 34,973,219,784.33/252,318.50
  6. Step 6: Final answer
    x = 138,607.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.