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Finding the Fourth Proportional to 302,575.72, 453,864.54 and 92,212.84

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Solution

The fourth proportional to 302,575.72, 453,864.54 and 92,212.84 is: 138,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,575.72 : 453,864.54 = 92,212.84 : x
  2. Step 2: Convert to fraction form
    302,575.72/453,864.54 = 92,212.84/x
  3. Step 3: Cross multiply
    302,575.72x = 453,864.54 × 92,212.84
  4. Step 4: Simplify right side
    302,575.72x = 41,852,138,208.69
  5. Step 5: Solve for x
    x = 41,852,138,208.69/302,575.72
  6. Step 6: Final answer
    x = 138,319.55

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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.