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Finding the Fourth Proportional to 175,514.60, 263,271.90 and 146,354.60

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Solution

The fourth proportional to 175,514.60, 263,271.90 and 146,354.60 is: 219,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,514.60 : 263,271.90 = 146,354.60 : x
  2. Step 2: Convert to fraction form
    175,514.60/263,271.90 = 146,354.60/x
  3. Step 3: Cross multiply
    175,514.60x = 263,271.90 × 146,354.60
  4. Step 4: Simplify right side
    175,514.60x = 38,531,053,615.74
  5. Step 5: Solve for x
    x = 38,531,053,615.74/175,514.60
  6. Step 6: Final answer
    x = 219,531.90

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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.