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Finding the Fourth Proportional to 154,896.57, 232,300.17 and 42,580.45

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Solution

The fourth proportional to 154,896.57, 232,300.17 and 42,580.45 is: 63,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,896.57 : 232,300.17 = 42,580.45 : x
  2. Step 2: Convert to fraction form
    154,896.57/232,300.17 = 42,580.45/x
  3. Step 3: Cross multiply
    154,896.57x = 232,300.17 × 42,580.45
  4. Step 4: Simplify right side
    154,896.57x = 9,891,446,064.05
  5. Step 5: Solve for x
    x = 9,891,446,064.05/154,896.57
  6. Step 6: Final answer
    x = 63,858.39

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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.