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Finding the Fourth Proportional to 230,010.68, 345,032.76 and 72,237.80

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Solution

The fourth proportional to 230,010.68, 345,032.76 and 72,237.80 is: 108,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,010.68 : 345,032.76 = 72,237.80 : x
  2. Step 2: Convert to fraction form
    230,010.68/345,032.76 = 72,237.80/x
  3. Step 3: Cross multiply
    230,010.68x = 345,032.76 × 72,237.80
  4. Step 4: Simplify right side
    230,010.68x = 24,924,407,510.33
  5. Step 5: Solve for x
    x = 24,924,407,510.33/230,010.68
  6. Step 6: Final answer
    x = 108,361.96

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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.