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Finding the Fourth Proportional to 59,145.96, 88,720.92 and 19,163.82

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Solution

The fourth proportional to 59,145.96, 88,720.92 and 19,163.82 is: 28,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,145.96 : 88,720.92 = 19,163.82 : x
  2. Step 2: Convert to fraction form
    59,145.96/88,720.92 = 19,163.82/x
  3. Step 3: Cross multiply
    59,145.96x = 88,720.92 × 19,163.82
  4. Step 4: Simplify right side
    59,145.96x = 1,700,231,741.11
  5. Step 5: Solve for x
    x = 1,700,231,741.11/59,145.96
  6. Step 6: Final answer
    x = 28,746.37

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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.