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Finding the Fourth Proportional to 118,415.82, 177,750.16 and 50,981.22

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Solution

The fourth proportional to 118,415.82, 177,750.16 and 50,981.22 is: 76,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,415.82 : 177,750.16 = 50,981.22 : x
  2. Step 2: Convert to fraction form
    118,415.82/177,750.16 = 50,981.22/x
  3. Step 3: Cross multiply
    118,415.82x = 177,750.16 × 50,981.22
  4. Step 4: Simplify right side
    118,415.82x = 9,061,920,012.00
  5. Step 5: Solve for x
    x = 9,061,920,012.00/118,415.82
  6. Step 6: Final answer
    x = 76,526.26

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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.