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Finding the Fourth Proportional to 110,920.80, 166,381.20 and 37,048.80

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Solution

The fourth proportional to 110,920.80, 166,381.20 and 37,048.80 is: 55,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.80 : 166,381.20 = 37,048.80 : x
  2. Step 2: Convert to fraction form
    110,920.80/166,381.20 = 37,048.80/x
  3. Step 3: Cross multiply
    110,920.80x = 166,381.20 × 37,048.80
  4. Step 4: Simplify right side
    110,920.80x = 6,164,223,802.56
  5. Step 5: Solve for x
    x = 6,164,223,802.56/110,920.80
  6. Step 6: Final answer
    x = 55,573.20

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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.