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Finding the Fourth Proportional to 230,576.67, 345,875.60 and 70,641.14

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Solution

The fourth proportional to 230,576.67, 345,875.60 and 70,641.14 is: 105,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,576.67 : 345,875.60 = 70,641.14 : x
  2. Step 2: Convert to fraction form
    230,576.67/345,875.60 = 70,641.14/x
  3. Step 3: Cross multiply
    230,576.67x = 345,875.60 × 70,641.14
  4. Step 4: Simplify right side
    230,576.67x = 24,433,045,129.41
  5. Step 5: Solve for x
    x = 24,433,045,129.41/230,576.67
  6. Step 6: Final answer
    x = 105,964.95

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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.