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Finding the Fourth Proportional to 184,668.86, 254,842.92 and 99,785.90

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Solution

The fourth proportional to 184,668.86, 254,842.92 and 99,785.90 is: 137,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,668.86 : 254,842.92 = 99,785.90 : x
  2. Step 2: Convert to fraction form
    184,668.86/254,842.92 = 99,785.90/x
  3. Step 3: Cross multiply
    184,668.86x = 254,842.92 × 99,785.90
  4. Step 4: Simplify right side
    184,668.86x = 25,429,730,130.83
  5. Step 5: Solve for x
    x = 25,429,730,130.83/184,668.86
  6. Step 6: Final answer
    x = 137,704.48

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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.