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Finding the Fourth Proportional to 108,950.73, 150,335.64 and 61,194.93

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Solution

The fourth proportional to 108,950.73, 150,335.64 and 61,194.93 is: 84,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,950.73 : 150,335.64 = 61,194.93 : x
  2. Step 2: Convert to fraction form
    108,950.73/150,335.64 = 61,194.93/x
  3. Step 3: Cross multiply
    108,950.73x = 150,335.64 × 61,194.93
  4. Step 4: Simplify right side
    108,950.73x = 9,199,778,966.31
  5. Step 5: Solve for x
    x = 9,199,778,966.31/108,950.73
  6. Step 6: Final answer
    x = 84,439.81

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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.