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Finding the Fourth Proportional to 115,810.40, 173,725.20 and 36,922.40

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Solution

The fourth proportional to 115,810.40, 173,725.20 and 36,922.40 is: 55,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,810.40 : 173,725.20 = 36,922.40 : x
  2. Step 2: Convert to fraction form
    115,810.40/173,725.20 = 36,922.40/x
  3. Step 3: Cross multiply
    115,810.40x = 173,725.20 × 36,922.40
  4. Step 4: Simplify right side
    115,810.40x = 6,414,351,324.48
  5. Step 5: Solve for x
    x = 6,414,351,324.48/115,810.40
  6. Step 6: Final answer
    x = 55,386.66

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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.