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Finding the Fourth Proportional to 93,804.58, 129,462.83 and 55,561.11

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Solution

The fourth proportional to 93,804.58, 129,462.83 and 55,561.11 is: 76,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,804.58 : 129,462.83 = 55,561.11 : x
  2. Step 2: Convert to fraction form
    93,804.58/129,462.83 = 55,561.11/x
  3. Step 3: Cross multiply
    93,804.58x = 129,462.83 × 55,561.11
  4. Step 4: Simplify right side
    93,804.58x = 7,193,098,538.54
  5. Step 5: Solve for x
    x = 7,193,098,538.54/93,804.58
  6. Step 6: Final answer
    x = 76,681.74

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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.