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Finding the Fourth Proportional to 73,888.20, 110,832.30 and 44,339.40

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Solution

The fourth proportional to 73,888.20, 110,832.30 and 44,339.40 is: 66,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,888.20 : 110,832.30 = 44,339.40 : x
  2. Step 2: Convert to fraction form
    73,888.20/110,832.30 = 44,339.40/x
  3. Step 3: Cross multiply
    73,888.20x = 110,832.30 × 44,339.40
  4. Step 4: Simplify right side
    73,888.20x = 4,914,237,682.62
  5. Step 5: Solve for x
    x = 4,914,237,682.62/73,888.20
  6. Step 6: Final answer
    x = 66,509.10

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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.