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Finding the Fourth Proportional to 155,287.05, 232,930.58 and 155,287.05

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Solution

The fourth proportional to 155,287.05, 232,930.58 and 155,287.05 is: 232,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,287.05 : 232,930.58 = 155,287.05 : x
  2. Step 2: Convert to fraction form
    155,287.05/232,930.58 = 155,287.05/x
  3. Step 3: Cross multiply
    155,287.05x = 232,930.58 × 155,287.05
  4. Step 4: Simplify right side
    155,287.05x = 36,171,101,846.55
  5. Step 5: Solve for x
    x = 36,171,101,846.55/155,287.05
  6. Step 6: Final answer
    x = 232,930.58

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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.