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Finding the Fourth Proportional to 73,565.58, 110,336.01 and 20,962.56

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Solution

The fourth proportional to 73,565.58, 110,336.01 and 20,962.56 is: 31,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,565.58 : 110,336.01 = 20,962.56 : x
  2. Step 2: Convert to fraction form
    73,565.58/110,336.01 = 20,962.56/x
  3. Step 3: Cross multiply
    73,565.58x = 110,336.01 × 20,962.56
  4. Step 4: Simplify right side
    73,565.58x = 2,312,925,229.79
  5. Step 5: Solve for x
    x = 2,312,925,229.79/73,565.58
  6. Step 6: Final answer
    x = 31,440.32

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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.