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Finding the Fourth Proportional to 73,653.63, 110,528.88 and 40,397.04

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Solution

The fourth proportional to 73,653.63, 110,528.88 and 40,397.04 is: 60,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,653.63 : 110,528.88 = 40,397.04 : x
  2. Step 2: Convert to fraction form
    73,653.63/110,528.88 = 40,397.04/x
  3. Step 3: Cross multiply
    73,653.63x = 110,528.88 × 40,397.04
  4. Step 4: Simplify right side
    73,653.63x = 4,465,039,586.52
  5. Step 5: Solve for x
    x = 4,465,039,586.52/73,653.63
  6. Step 6: Final answer
    x = 60,622.13

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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.