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Finding the Fourth Proportional to 230,806.89, 346,206.74 and 118,422.25

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Solution

The fourth proportional to 230,806.89, 346,206.74 and 118,422.25 is: 177,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,806.89 : 346,206.74 = 118,422.25 : x
  2. Step 2: Convert to fraction form
    230,806.89/346,206.74 = 118,422.25/x
  3. Step 3: Cross multiply
    230,806.89x = 346,206.74 × 118,422.25
  4. Step 4: Simplify right side
    230,806.89x = 40,998,579,658.34
  5. Step 5: Solve for x
    x = 40,998,579,658.34/230,806.89
  6. Step 6: Final answer
    x = 177,631.52

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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.