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Finding the Fourth Proportional to 180,590.80, 270,989.88 and 141,036.88

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Solution

The fourth proportional to 180,590.80, 270,989.88 and 141,036.88 is: 211,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,590.80 : 270,989.88 = 141,036.88 : x
  2. Step 2: Convert to fraction form
    180,590.80/270,989.88 = 141,036.88/x
  3. Step 3: Cross multiply
    180,590.80x = 270,989.88 × 141,036.88
  4. Step 4: Simplify right side
    180,590.80x = 38,219,567,186.77
  5. Step 5: Solve for x
    x = 38,219,567,186.77/180,590.80
  6. Step 6: Final answer
    x = 211,636.29

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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.