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Finding the Fourth Proportional to 109,035.60, 163,504.80 and 49,840.80

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Solution

The fourth proportional to 109,035.60, 163,504.80 and 49,840.80 is: 74,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,035.60 : 163,504.80 = 49,840.80 : x
  2. Step 2: Convert to fraction form
    109,035.60/163,504.80 = 49,840.80/x
  3. Step 3: Cross multiply
    109,035.60x = 163,504.80 × 49,840.80
  4. Step 4: Simplify right side
    109,035.60x = 8,149,210,035.84
  5. Step 5: Solve for x
    x = 8,149,210,035.84/109,035.60
  6. Step 6: Final answer
    x = 74,738.98

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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.