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Finding the Fourth Proportional to 186,950.84, 258,021.78 and 118,896.86

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Solution

The fourth proportional to 186,950.84, 258,021.78 and 118,896.86 is: 164,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,950.84 : 258,021.78 = 118,896.86 : x
  2. Step 2: Convert to fraction form
    186,950.84/258,021.78 = 118,896.86/x
  3. Step 3: Cross multiply
    186,950.84x = 258,021.78 × 118,896.86
  4. Step 4: Simplify right side
    186,950.84x = 30,677,979,453.61
  5. Step 5: Solve for x
    x = 30,677,979,453.61/186,950.84
  6. Step 6: Final answer
    x = 164,096.51

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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.