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Finding the Fourth Proportional to 118,060.51, 177,143.12 and 61,887.22

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Solution

The fourth proportional to 118,060.51, 177,143.12 and 61,887.22 is: 92,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060.51 : 177,143.12 = 61,887.22 : x
  2. Step 2: Convert to fraction form
    118,060.51/177,143.12 = 61,887.22/x
  3. Step 3: Cross multiply
    118,060.51x = 177,143.12 × 61,887.22
  4. Step 4: Simplify right side
    118,060.51x = 10,962,895,238.93
  5. Step 5: Solve for x
    x = 10,962,895,238.93/118,060.51
  6. Step 6: Final answer
    x = 92,858.27

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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.