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Finding the Fourth Proportional to 187,574, 281,361 and 56,246

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Solution

The fourth proportional to 187,574, 281,361 and 56,246 is: 84,369

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,574 : 281,361 = 56,246 : x
  2. Step 2: Convert to fraction form
    187,574/281,361 = 56,246/x
  3. Step 3: Cross multiply
    187,574x = 281,361 × 56,246
  4. Step 4: Simplify right side
    187,574x = 15,825,430,806
  5. Step 5: Solve for x
    x = 15,825,430,806/187,574
  6. Step 6: Final answer
    x = 84,369

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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.