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Finding the Fourth Proportional to 103,939.36, 155,925.36 and 33,802.28

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Solution

The fourth proportional to 103,939.36, 155,925.36 and 33,802.28 is: 50,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,939.36 : 155,925.36 = 33,802.28 : x
  2. Step 2: Convert to fraction form
    103,939.36/155,925.36 = 33,802.28/x
  3. Step 3: Cross multiply
    103,939.36x = 155,925.36 × 33,802.28
  4. Step 4: Simplify right side
    103,939.36x = 5,270,632,677.82
  5. Step 5: Solve for x
    x = 5,270,632,677.82/103,939.36
  6. Step 6: Final answer
    x = 50,708.73

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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.