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Finding the Fourth Proportional to 180,992.10, 249,780.90 and 104,514.42

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Solution

The fourth proportional to 180,992.10, 249,780.90 and 104,514.42 is: 144,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,992.10 : 249,780.90 = 104,514.42 : x
  2. Step 2: Convert to fraction form
    180,992.10/249,780.90 = 104,514.42/x
  3. Step 3: Cross multiply
    180,992.10x = 249,780.90 × 104,514.42
  4. Step 4: Simplify right side
    180,992.10x = 26,105,705,890.58
  5. Step 5: Solve for x
    x = 26,105,705,890.58/180,992.10
  6. Step 6: Final answer
    x = 144,236.71

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1.5x scale

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.