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Finding the Fourth Proportional to 86,152.68, 129,218.73 and 22,977.54

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Solution

The fourth proportional to 86,152.68, 129,218.73 and 22,977.54 is: 34,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.68 : 129,218.73 = 22,977.54 : x
  2. Step 2: Convert to fraction form
    86,152.68/129,218.73 = 22,977.54/x
  3. Step 3: Cross multiply
    86,152.68x = 129,218.73 × 22,977.54
  4. Step 4: Simplify right side
    86,152.68x = 2,969,128,537.32
  5. Step 5: Solve for x
    x = 2,969,128,537.32/86,152.68
  6. Step 6: Final answer
    x = 34,463.57

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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.