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Finding the Fourth Proportional to 302,180.70, 453,221.75 and 88,898.71

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Solution

The fourth proportional to 302,180.70, 453,221.75 and 88,898.71 is: 133,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,180.70 : 453,221.75 = 88,898.71 : x
  2. Step 2: Convert to fraction form
    302,180.70/453,221.75 = 88,898.71/x
  3. Step 3: Cross multiply
    302,180.70x = 453,221.75 × 88,898.71
  4. Step 4: Simplify right side
    302,180.70x = 40,290,828,918.94
  5. Step 5: Solve for x
    x = 40,290,828,918.94/302,180.70
  6. Step 6: Final answer
    x = 133,333.56

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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.