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Finding the Fourth Proportional to 148,371.40, 222,254.70 and 92,038.60

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Solution

The fourth proportional to 148,371.40, 222,254.70 and 92,038.60 is: 137,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,371.40 : 222,254.70 = 92,038.60 : x
  2. Step 2: Convert to fraction form
    148,371.40/222,254.70 = 92,038.60/x
  3. Step 3: Cross multiply
    148,371.40x = 222,254.70 × 92,038.60
  4. Step 4: Simplify right side
    148,371.40x = 20,456,011,431.42
  5. Step 5: Solve for x
    x = 20,456,011,431.42/148,371.40
  6. Step 6: Final answer
    x = 137,870.31

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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.