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Finding the Fourth Proportional to 72,287.39, 108,457.02 and 32,303.03

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Solution

The fourth proportional to 72,287.39, 108,457.02 and 32,303.03 is: 48,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.39 : 108,457.02 = 32,303.03 : x
  2. Step 2: Convert to fraction form
    72,287.39/108,457.02 = 32,303.03/x
  3. Step 3: Cross multiply
    72,287.39x = 108,457.02 × 32,303.03
  4. Step 4: Simplify right side
    72,287.39x = 3,503,489,828.49
  5. Step 5: Solve for x
    x = 3,503,489,828.49/72,287.39
  6. Step 6: Final answer
    x = 48,466.13

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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.