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Finding the Fourth Proportional to 108,950.82, 150,004.53 and 92,971.14

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Solution

The fourth proportional to 108,950.82, 150,004.53 and 92,971.14 is: 128,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,950.82 : 150,004.53 = 92,971.14 : x
  2. Step 2: Convert to fraction form
    108,950.82/150,004.53 = 92,971.14/x
  3. Step 3: Cross multiply
    108,950.82x = 150,004.53 × 92,971.14
  4. Step 4: Simplify right side
    108,950.82x = 13,946,092,159.26
  5. Step 5: Solve for x
    x = 13,946,092,159.26/108,950.82
  6. Step 6: Final answer
    x = 128,003.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.