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Finding the Fourth Proportional to 93,607.86, 129,163.89 and 53,322.39

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Solution

The fourth proportional to 93,607.86, 129,163.89 and 53,322.39 is: 73,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,607.86 : 129,163.89 = 53,322.39 : x
  2. Step 2: Convert to fraction form
    93,607.86/129,163.89 = 53,322.39/x
  3. Step 3: Cross multiply
    93,607.86x = 129,163.89 × 53,322.39
  4. Step 4: Simplify right side
    93,607.86x = 6,887,327,316.50
  5. Step 5: Solve for x
    x = 6,887,327,316.50/93,607.86
  6. Step 6: Final answer
    x = 73,576.38

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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.