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Finding the Fourth Proportional to 302,516.70, 453,669.27 and 89,228.04

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Solution

The fourth proportional to 302,516.70, 453,669.27 and 89,228.04 is: 133,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516.70 : 453,669.27 = 89,228.04 : x
  2. Step 2: Convert to fraction form
    302,516.70/453,669.27 = 89,228.04/x
  3. Step 3: Cross multiply
    302,516.70x = 453,669.27 × 89,228.04
  4. Step 4: Simplify right side
    302,516.70x = 40,480,019,770.33
  5. Step 5: Solve for x
    x = 40,480,019,770.33/302,516.70
  6. Step 6: Final answer
    x = 133,810.86

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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.