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Finding the Fourth Proportional to 174,708.63, 240,778.17 and 126,878.94

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Solution

The fourth proportional to 174,708.63, 240,778.17 and 126,878.94 is: 174,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,708.63 : 240,778.17 = 126,878.94 : x
  2. Step 2: Convert to fraction form
    174,708.63/240,778.17 = 126,878.94/x
  3. Step 3: Cross multiply
    174,708.63x = 240,778.17 × 126,878.94
  4. Step 4: Simplify right side
    174,708.63x = 30,549,678,984.74
  5. Step 5: Solve for x
    x = 30,549,678,984.74/174,708.63
  6. Step 6: Final answer
    x = 174,860.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.