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Finding the Fourth Proportional to 243,336.20, 365,004.30 and 65,870.60

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Solution

The fourth proportional to 243,336.20, 365,004.30 and 65,870.60 is: 98,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,336.20 : 365,004.30 = 65,870.60 : x
  2. Step 2: Convert to fraction form
    243,336.20/365,004.30 = 65,870.60/x
  3. Step 3: Cross multiply
    243,336.20x = 365,004.30 × 65,870.60
  4. Step 4: Simplify right side
    243,336.20x = 24,043,052,243.58
  5. Step 5: Solve for x
    x = 24,043,052,243.58/243,336.20
  6. Step 6: Final answer
    x = 98,805.90

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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.