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Finding the Fourth Proportional to 103,843.70, 155,801.74 and 32,777.32

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Solution

The fourth proportional to 103,843.70, 155,801.74 and 32,777.32 is: 49,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.70 : 155,801.74 = 32,777.32 : x
  2. Step 2: Convert to fraction form
    103,843.70/155,801.74 = 32,777.32/x
  3. Step 3: Cross multiply
    103,843.70x = 155,801.74 × 32,777.32
  4. Step 4: Simplify right side
    103,843.70x = 5,106,763,488.54
  5. Step 5: Solve for x
    x = 5,106,763,488.54/103,843.70
  6. Step 6: Final answer
    x = 49,177.40

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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.