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Finding the Fourth Proportional to 103,994.90, 155,970.14 and 32,923.55

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Solution

The fourth proportional to 103,994.90, 155,970.14 and 32,923.55 is: 49,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,994.90 : 155,970.14 = 32,923.55 : x
  2. Step 2: Convert to fraction form
    103,994.90/155,970.14 = 32,923.55/x
  3. Step 3: Cross multiply
    103,994.90x = 155,970.14 × 32,923.55
  4. Step 4: Simplify right side
    103,994.90x = 5,135,090,702.80
  5. Step 5: Solve for x
    x = 5,135,090,702.80/103,994.90
  6. Step 6: Final answer
    x = 49,378.29

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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.