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Finding the Fourth Proportional to 187,367.67, 258,756.29 and 119,416.67

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Solution

The fourth proportional to 187,367.67, 258,756.29 and 119,416.67 is: 164,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.67 : 258,756.29 = 119,416.67 : x
  2. Step 2: Convert to fraction form
    187,367.67/258,756.29 = 119,416.67/x
  3. Step 3: Cross multiply
    187,367.67x = 258,756.29 × 119,416.67
  4. Step 4: Simplify right side
    187,367.67x = 30,899,813,896.27
  5. Step 5: Solve for x
    x = 30,899,813,896.27/187,367.67
  6. Step 6: Final answer
    x = 164,915.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.