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Finding the Fourth Proportional to 186,105.70, 279,158.55 and 157,237.30

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Solution

The fourth proportional to 186,105.70, 279,158.55 and 157,237.30 is: 235,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,105.70 : 279,158.55 = 157,237.30 : x
  2. Step 2: Convert to fraction form
    186,105.70/279,158.55 = 157,237.30/x
  3. Step 3: Cross multiply
    186,105.70x = 279,158.55 × 157,237.30
  4. Step 4: Simplify right side
    186,105.70x = 43,894,136,673.92
  5. Step 5: Solve for x
    x = 43,894,136,673.92/186,105.70
  6. Step 6: Final answer
    x = 235,855.95

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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.