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Finding the Fourth Proportional to 230,775.20, 345,903.60 and 97,632.80

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Solution

The fourth proportional to 230,775.20, 345,903.60 and 97,632.80 is: 146,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,775.20 : 345,903.60 = 97,632.80 : x
  2. Step 2: Convert to fraction form
    230,775.20/345,903.60 = 97,632.80/x
  3. Step 3: Cross multiply
    230,775.20x = 345,903.60 × 97,632.80
  4. Step 4: Simplify right side
    230,775.20x = 33,771,536,998.08
  5. Step 5: Solve for x
    x = 33,771,536,998.08/230,775.20
  6. Step 6: Final answer
    x = 146,339.54

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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.