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Finding the Fourth Proportional to 73,695.30, 101,698.65 and 43,480.68

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Solution

The fourth proportional to 73,695.30, 101,698.65 and 43,480.68 is: 60,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695.30 : 101,698.65 = 43,480.68 : x
  2. Step 2: Convert to fraction form
    73,695.30/101,698.65 = 43,480.68/x
  3. Step 3: Cross multiply
    73,695.30x = 101,698.65 × 43,480.68
  4. Step 4: Simplify right side
    73,695.30x = 4,421,926,457.08
  5. Step 5: Solve for x
    x = 4,421,926,457.08/73,695.30
  6. Step 6: Final answer
    x = 60,002.83

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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.