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Finding the Fourth Proportional to 153,668.88, 230,590.83 and 122,700.96

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Solution

The fourth proportional to 153,668.88, 230,590.83 and 122,700.96 is: 184,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,668.88 : 230,590.83 = 122,700.96 : x
  2. Step 2: Convert to fraction form
    153,668.88/230,590.83 = 122,700.96/x
  3. Step 3: Cross multiply
    153,668.88x = 230,590.83 × 122,700.96
  4. Step 4: Simplify right side
    153,668.88x = 28,293,716,208.20
  5. Step 5: Solve for x
    x = 28,293,716,208.20/153,668.88
  6. Step 6: Final answer
    x = 184,121.31

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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.