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Finding the Fourth Proportional to 126,562.77, 189,785.63 and 46,580.54

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Solution

The fourth proportional to 126,562.77, 189,785.63 and 46,580.54 is: 69,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,562.77 : 189,785.63 = 46,580.54 : x
  2. Step 2: Convert to fraction form
    126,562.77/189,785.63 = 46,580.54/x
  3. Step 3: Cross multiply
    126,562.77x = 189,785.63 × 46,580.54
  4. Step 4: Simplify right side
    126,562.77x = 8,840,316,297.16
  5. Step 5: Solve for x
    x = 8,840,316,297.16/126,562.77
  6. Step 6: Final answer
    x = 69,849.26

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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.