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Finding the Fourth Proportional to 302,285.62, 453,355.76 and 88,995.48

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Solution

The fourth proportional to 302,285.62, 453,355.76 and 88,995.48 is: 133,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,285.62 : 453,355.76 = 88,995.48 : x
  2. Step 2: Convert to fraction form
    302,285.62/453,355.76 = 88,995.48/x
  3. Step 3: Cross multiply
    302,285.62x = 453,355.76 × 88,995.48
  4. Step 4: Simplify right side
    302,285.62x = 40,346,615,569.26
  5. Step 5: Solve for x
    x = 40,346,615,569.26/302,285.62
  6. Step 6: Final answer
    x = 133,471.83

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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.