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Finding the Fourth Proportional to 55,183, 76,152.56 and 30,032.68

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Solution

The fourth proportional to 55,183, 76,152.56 and 30,032.68 is: 41,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183 : 76,152.56 = 30,032.68 : x
  2. Step 2: Convert to fraction form
    55,183/76,152.56 = 30,032.68/x
  3. Step 3: Cross multiply
    55,183x = 76,152.56 × 30,032.68
  4. Step 4: Simplify right side
    55,183x = 2,287,065,465.66
  5. Step 5: Solve for x
    x = 2,287,065,465.66/55,183
  6. Step 6: Final answer
    x = 41,445.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.