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Finding the Fourth Proportional to 202,501.74, 303,808.94 and 88,629.24

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Solution

The fourth proportional to 202,501.74, 303,808.94 and 88,629.24 is: 132,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,501.74 : 303,808.94 = 88,629.24 : x
  2. Step 2: Convert to fraction form
    202,501.74/303,808.94 = 88,629.24/x
  3. Step 3: Cross multiply
    202,501.74x = 303,808.94 × 88,629.24
  4. Step 4: Simplify right side
    202,501.74x = 26,926,355,457.41
  5. Step 5: Solve for x
    x = 26,926,355,457.41/202,501.74
  6. Step 6: Final answer
    x = 132,968.51

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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.