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Finding the Fourth Proportional to 124,021.50, 186,032.25 and 36,469.50

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Solution

The fourth proportional to 124,021.50, 186,032.25 and 36,469.50 is: 54,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,021.50 : 186,032.25 = 36,469.50 : x
  2. Step 2: Convert to fraction form
    124,021.50/186,032.25 = 36,469.50/x
  3. Step 3: Cross multiply
    124,021.50x = 186,032.25 × 36,469.50
  4. Step 4: Simplify right side
    124,021.50x = 6,784,503,141.38
  5. Step 5: Solve for x
    x = 6,784,503,141.38/124,021.50
  6. Step 6: Final answer
    x = 54,704.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.