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Finding the Fourth Proportional to 126,473.92, 189,804.41 and 59,914.19

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Solution

The fourth proportional to 126,473.92, 189,804.41 and 59,914.19 is: 89,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.92 : 189,804.41 = 59,914.19 : x
  2. Step 2: Convert to fraction form
    126,473.92/189,804.41 = 59,914.19/x
  3. Step 3: Cross multiply
    126,473.92x = 189,804.41 × 59,914.19
  4. Step 4: Simplify right side
    126,473.92x = 11,371,977,483.58
  5. Step 5: Solve for x
    x = 11,371,977,483.58/126,473.92
  6. Step 6: Final answer
    x = 89,915.59

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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.