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Finding the Fourth Proportional to 73,630.20, 110,445.30 and 65,465.40

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Solution

The fourth proportional to 73,630.20, 110,445.30 and 65,465.40 is: 98,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,630.20 : 110,445.30 = 65,465.40 : x
  2. Step 2: Convert to fraction form
    73,630.20/110,445.30 = 65,465.40/x
  3. Step 3: Cross multiply
    73,630.20x = 110,445.30 × 65,465.40
  4. Step 4: Simplify right side
    73,630.20x = 7,230,345,742.62
  5. Step 5: Solve for x
    x = 7,230,345,742.62/73,630.20
  6. Step 6: Final answer
    x = 98,198.10

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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.