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Finding the Fourth Proportional to 184,478.96, 276,689.88 and 118,381.28

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Solution

The fourth proportional to 184,478.96, 276,689.88 and 118,381.28 is: 177,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,478.96 : 276,689.88 = 118,381.28 : x
  2. Step 2: Convert to fraction form
    184,478.96/276,689.88 = 118,381.28/x
  3. Step 3: Cross multiply
    184,478.96x = 276,689.88 × 118,381.28
  4. Step 4: Simplify right side
    184,478.96x = 32,754,902,157.45
  5. Step 5: Solve for x
    x = 32,754,902,157.45/184,478.96
  6. Step 6: Final answer
    x = 177,553.59

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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.