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Finding the Fourth Proportional to 346,760.68, 520,087.90 and 110,072.68

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Solution

The fourth proportional to 346,760.68, 520,087.90 and 110,072.68 is: 165,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,760.68 : 520,087.90 = 110,072.68 : x
  2. Step 2: Convert to fraction form
    346,760.68/520,087.90 = 110,072.68/x
  3. Step 3: Cross multiply
    346,760.68x = 520,087.90 × 110,072.68
  4. Step 4: Simplify right side
    346,760.68x = 57,247,468,988.57
  5. Step 5: Solve for x
    x = 57,247,468,988.57/346,760.68
  6. Step 6: Final answer
    x = 165,092.16

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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.