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Finding the Fourth Proportional to 183,456.10, 274,856.10 and 155,243.80

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Solution

The fourth proportional to 183,456.10, 274,856.10 and 155,243.80 is: 232,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,456.10 : 274,856.10 = 155,243.80 : x
  2. Step 2: Convert to fraction form
    183,456.10/274,856.10 = 155,243.80/x
  3. Step 3: Cross multiply
    183,456.10x = 274,856.10 × 155,243.80
  4. Step 4: Simplify right side
    183,456.10x = 42,669,705,417.18
  5. Step 5: Solve for x
    x = 42,669,705,417.18/183,456.10
  6. Step 6: Final answer
    x = 232,588.10

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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.