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Finding the Fourth Proportional to 127,458.72, 191,187.36 and 44,352

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Solution

The fourth proportional to 127,458.72, 191,187.36 and 44,352 is: 66,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,458.72 : 191,187.36 = 44,352 : x
  2. Step 2: Convert to fraction form
    127,458.72/191,187.36 = 44,352/x
  3. Step 3: Cross multiply
    127,458.72x = 191,187.36 × 44,352
  4. Step 4: Simplify right side
    127,458.72x = 8,479,541,790.72
  5. Step 5: Solve for x
    x = 8,479,541,790.72/127,458.72
  6. Step 6: Final answer
    x = 66,527.75

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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.