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Finding the Fourth Proportional to 230,681.30, 346,072.08 and 70,757.87

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Solution

The fourth proportional to 230,681.30, 346,072.08 and 70,757.87 is: 106,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,681.30 : 346,072.08 = 70,757.87 : x
  2. Step 2: Convert to fraction form
    230,681.30/346,072.08 = 70,757.87/x
  3. Step 3: Cross multiply
    230,681.30x = 346,072.08 × 70,757.87
  4. Step 4: Simplify right side
    230,681.30x = 24,487,321,516.91
  5. Step 5: Solve for x
    x = 24,487,321,516.91/230,681.30
  6. Step 6: Final answer
    x = 106,152.18

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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.