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Finding the Fourth Proportional to 73,411.05, 110,116.58 and 43,813.65

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Solution

The fourth proportional to 73,411.05, 110,116.58 and 43,813.65 is: 65,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.05 : 110,116.58 = 43,813.65 : x
  2. Step 2: Convert to fraction form
    73,411.05/110,116.58 = 43,813.65/x
  3. Step 3: Cross multiply
    73,411.05x = 110,116.58 × 43,813.65
  4. Step 4: Simplify right side
    73,411.05x = 4,824,609,076.25
  5. Step 5: Solve for x
    x = 4,824,609,076.25/73,411.05
  6. Step 6: Final answer
    x = 65,720.48

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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.