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Finding the Fourth Proportional to 79,155, 118,628.82 and 44,111.16

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Solution

The fourth proportional to 79,155, 118,628.82 and 44,111.16 is: 66,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155 : 118,628.82 = 44,111.16 : x
  2. Step 2: Convert to fraction form
    79,155/118,628.82 = 44,111.16/x
  3. Step 3: Cross multiply
    79,155x = 118,628.82 × 44,111.16
  4. Step 4: Simplify right side
    79,155x = 5,232,854,859.63
  5. Step 5: Solve for x
    x = 5,232,854,859.63/79,155
  6. Step 6: Final answer
    x = 66,108.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.