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Finding the Fourth Proportional to 230,876.70, 346,315.05 and 125,900.70

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Solution

The fourth proportional to 230,876.70, 346,315.05 and 125,900.70 is: 188,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,876.70 : 346,315.05 = 125,900.70 : x
  2. Step 2: Convert to fraction form
    230,876.70/346,315.05 = 125,900.70/x
  3. Step 3: Cross multiply
    230,876.70x = 346,315.05 × 125,900.70
  4. Step 4: Simplify right side
    230,876.70x = 43,601,307,215.54
  5. Step 5: Solve for x
    x = 43,601,307,215.54/230,876.70
  6. Step 6: Final answer
    x = 188,851.05

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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.