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Finding the Fourth Proportional to 193,234.70, 289,852.05 and 130,249.10

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Solution

The fourth proportional to 193,234.70, 289,852.05 and 130,249.10 is: 195,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234.70 : 289,852.05 = 130,249.10 : x
  2. Step 2: Convert to fraction form
    193,234.70/289,852.05 = 130,249.10/x
  3. Step 3: Cross multiply
    193,234.70x = 289,852.05 × 130,249.10
  4. Step 4: Simplify right side
    193,234.70x = 37,752,968,645.66
  5. Step 5: Solve for x
    x = 37,752,968,645.66/193,234.70
  6. Step 6: Final answer
    x = 195,373.65

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1.5x scale

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.