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Finding the Fourth Proportional to 127,661.36, 191,579.52 and 44,555.36

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Solution

The fourth proportional to 127,661.36, 191,579.52 and 44,555.36 is: 66,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661.36 : 191,579.52 = 44,555.36 : x
  2. Step 2: Convert to fraction form
    127,661.36/191,579.52 = 44,555.36/x
  3. Step 3: Cross multiply
    127,661.36x = 191,579.52 × 44,555.36
  4. Step 4: Simplify right side
    127,661.36x = 8,535,894,482.23
  5. Step 5: Solve for x
    x = 8,535,894,482.23/127,661.36
  6. Step 6: Final answer
    x = 66,863.57

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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.