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Finding the Fourth Proportional to 363,707.17, 545,560.80 and 110,989

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Solution

The fourth proportional to 363,707.17, 545,560.80 and 110,989 is: 166,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,707.17 : 545,560.80 = 110,989 : x
  2. Step 2: Convert to fraction form
    363,707.17/545,560.80 = 110,989/x
  3. Step 3: Cross multiply
    363,707.17x = 545,560.80 × 110,989
  4. Step 4: Simplify right side
    363,707.17x = 60,551,247,631.20
  5. Step 5: Solve for x
    x = 60,551,247,631.20/363,707.17
  6. Step 6: Final answer
    x = 166,483.51

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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.