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Finding the Fourth Proportional to 260,080.62, 358,911.70 and 140,848.62

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Solution

The fourth proportional to 260,080.62, 358,911.70 and 140,848.62 is: 194,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,080.62 : 358,911.70 = 140,848.62 : x
  2. Step 2: Convert to fraction form
    260,080.62/358,911.70 = 140,848.62/x
  3. Step 3: Cross multiply
    260,080.62x = 358,911.70 × 140,848.62
  4. Step 4: Simplify right side
    260,080.62x = 50,552,217,646.85
  5. Step 5: Solve for x
    x = 50,552,217,646.85/260,080.62
  6. Step 6: Final answer
    x = 194,371.34

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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.