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Finding the Fourth Proportional to 302,393.92, 453,595.20 and 105,401.92

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Solution

The fourth proportional to 302,393.92, 453,595.20 and 105,401.92 is: 158,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,393.92 : 453,595.20 = 105,401.92 : x
  2. Step 2: Convert to fraction form
    302,393.92/453,595.20 = 105,401.92/x
  3. Step 3: Cross multiply
    302,393.92x = 453,595.20 × 105,401.92
  4. Step 4: Simplify right side
    302,393.92x = 47,809,804,982.78
  5. Step 5: Solve for x
    x = 47,809,804,982.78/302,393.92
  6. Step 6: Final answer
    x = 158,104.39

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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.