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Finding the Fourth Proportional to 127,671.36, 191,594.52 and 44,565.36

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Solution

The fourth proportional to 127,671.36, 191,594.52 and 44,565.36 is: 66,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,671.36 : 191,594.52 = 44,565.36 : x
  2. Step 2: Convert to fraction form
    127,671.36/191,594.52 = 44,565.36/x
  3. Step 3: Cross multiply
    127,671.36x = 191,594.52 × 44,565.36
  4. Step 4: Simplify right side
    127,671.36x = 8,538,478,757.83
  5. Step 5: Solve for x
    x = 8,538,478,757.83/127,671.36
  6. Step 6: Final answer
    x = 66,878.58

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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.