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Finding the Fourth Proportional to 230,660.60, 345,875.70 and 105,860.60

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Solution

The fourth proportional to 230,660.60, 345,875.70 and 105,860.60 is: 158,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,660.60 : 345,875.70 = 105,860.60 : x
  2. Step 2: Convert to fraction form
    230,660.60/345,875.70 = 105,860.60/x
  3. Step 3: Cross multiply
    230,660.60x = 345,875.70 × 105,860.60
  4. Step 4: Simplify right side
    230,660.60x = 36,614,609,127.42
  5. Step 5: Solve for x
    x = 36,614,609,127.42/230,660.60
  6. Step 6: Final answer
    x = 158,738.03

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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.