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Finding the Fourth Proportional to 230,876.30, 345,986.40 and 160,673.60

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Solution

The fourth proportional to 230,876.30, 345,986.40 and 160,673.60 is: 240,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,876.30 : 345,986.40 = 160,673.60 : x
  2. Step 2: Convert to fraction form
    230,876.30/345,986.40 = 160,673.60/x
  3. Step 3: Cross multiply
    230,876.30x = 345,986.40 × 160,673.60
  4. Step 4: Simplify right side
    230,876.30x = 55,590,880,439.04
  5. Step 5: Solve for x
    x = 55,590,880,439.04/230,876.30
  6. Step 6: Final answer
    x = 240,782.10

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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.