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Finding the Fourth Proportional to 103,682.80, 155,524.20 and 44,508.40

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Solution

The fourth proportional to 103,682.80, 155,524.20 and 44,508.40 is: 66,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682.80 : 155,524.20 = 44,508.40 : x
  2. Step 2: Convert to fraction form
    103,682.80/155,524.20 = 44,508.40/x
  3. Step 3: Cross multiply
    103,682.80x = 155,524.20 × 44,508.40
  4. Step 4: Simplify right side
    103,682.80x = 6,922,133,303.28
  5. Step 5: Solve for x
    x = 6,922,133,303.28/103,682.80
  6. Step 6: Final answer
    x = 66,762.60

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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.