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Finding the Fourth Proportional to 302,473.20, 453,709.80 and 92,110.80

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Solution

The fourth proportional to 302,473.20, 453,709.80 and 92,110.80 is: 138,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,473.20 : 453,709.80 = 92,110.80 : x
  2. Step 2: Convert to fraction form
    302,473.20/453,709.80 = 92,110.80/x
  3. Step 3: Cross multiply
    302,473.20x = 453,709.80 × 92,110.80
  4. Step 4: Simplify right side
    302,473.20x = 41,791,572,645.84
  5. Step 5: Solve for x
    x = 41,791,572,645.84/302,473.20
  6. Step 6: Final answer
    x = 138,166.20

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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.