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Finding the Fourth Proportional to 127,869, 176,367.96 and 110,842.80

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Solution

The fourth proportional to 127,869, 176,367.96 and 110,842.80 is: 152,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869 : 176,367.96 = 110,842.80 : x
  2. Step 2: Convert to fraction form
    127,869/176,367.96 = 110,842.80/x
  3. Step 3: Cross multiply
    127,869x = 176,367.96 × 110,842.80
  4. Step 4: Simplify right side
    127,869x = 19,549,118,516.69
  5. Step 5: Solve for x
    x = 19,549,118,516.69/127,869
  6. Step 6: Final answer
    x = 152,883.96

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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.