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Finding the Fourth Proportional to 104,778.74, 157,169.74 and 58,326.86

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Solution

The fourth proportional to 104,778.74, 157,169.74 and 58,326.86 is: 87,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,778.74 : 157,169.74 = 58,326.86 : x
  2. Step 2: Convert to fraction form
    104,778.74/157,169.74 = 58,326.86/x
  3. Step 3: Cross multiply
    104,778.74x = 157,169.74 × 58,326.86
  4. Step 4: Simplify right side
    104,778.74x = 9,167,217,421.22
  5. Step 5: Solve for x
    x = 9,167,217,421.22/104,778.74
  6. Step 6: Final answer
    x = 87,491.20

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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.