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Finding the Fourth Proportional to 80,103.30, 110,543.12 and 43,804.90

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Solution

The fourth proportional to 80,103.30, 110,543.12 and 43,804.90 is: 60,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103.30 : 110,543.12 = 43,804.90 : x
  2. Step 2: Convert to fraction form
    80,103.30/110,543.12 = 43,804.90/x
  3. Step 3: Cross multiply
    80,103.30x = 110,543.12 × 43,804.90
  4. Step 4: Simplify right side
    80,103.30x = 4,842,330,400.71
  5. Step 5: Solve for x
    x = 4,842,330,400.71/80,103.30
  6. Step 6: Final answer
    x = 60,451.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.