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Finding the Fourth Proportional to 93,597.11, 129,163.98 and 53,314.59

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Solution

The fourth proportional to 93,597.11, 129,163.98 and 53,314.59 is: 73,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,597.11 : 129,163.98 = 53,314.59 : x
  2. Step 2: Convert to fraction form
    93,597.11/129,163.98 = 53,314.59/x
  3. Step 3: Cross multiply
    93,597.11x = 129,163.98 × 53,314.59
  4. Step 4: Simplify right side
    93,597.11x = 6,886,324,636.47
  5. Step 5: Solve for x
    x = 6,886,324,636.47/93,597.11
  6. Step 6: Final answer
    x = 73,574.12

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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.