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Finding the Fourth Proportional to 84,565.69, 126,894.97 and 49,070.41

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Solution

The fourth proportional to 84,565.69, 126,894.97 and 49,070.41 is: 73,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,565.69 : 126,894.97 = 49,070.41 : x
  2. Step 2: Convert to fraction form
    84,565.69/126,894.97 = 49,070.41/x
  3. Step 3: Cross multiply
    84,565.69x = 126,894.97 × 49,070.41
  4. Step 4: Simplify right side
    84,565.69x = 6,226,788,204.84
  5. Step 5: Solve for x
    x = 6,226,788,204.84/84,565.69
  6. Step 6: Final answer
    x = 73,632.56

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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.