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Finding the Fourth Proportional to 230,846.40, 346,334.40 and 112,521.60

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Solution

The fourth proportional to 230,846.40, 346,334.40 and 112,521.60 is: 168,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,846.40 : 346,334.40 = 112,521.60 : x
  2. Step 2: Convert to fraction form
    230,846.40/346,334.40 = 112,521.60/x
  3. Step 3: Cross multiply
    230,846.40x = 346,334.40 × 112,521.60
  4. Step 4: Simplify right side
    230,846.40x = 38,970,100,823.04
  5. Step 5: Solve for x
    x = 38,970,100,823.04/230,846.40
  6. Step 6: Final answer
    x = 168,813.99

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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.