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Finding the Fourth Proportional to 159,877.80, 239,946.30 and 154,693.80

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Solution

The fourth proportional to 159,877.80, 239,946.30 and 154,693.80 is: 232,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877.80 : 239,946.30 = 154,693.80 : x
  2. Step 2: Convert to fraction form
    159,877.80/239,946.30 = 154,693.80/x
  3. Step 3: Cross multiply
    159,877.80x = 239,946.30 × 154,693.80
  4. Step 4: Simplify right side
    159,877.80x = 37,118,204,942.94
  5. Step 5: Solve for x
    x = 37,118,204,942.94/159,877.80
  6. Step 6: Final answer
    x = 232,166.10

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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.