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Finding the Fourth Proportional to 108,648.98, 149,935.94 and 60,254.37

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Solution

The fourth proportional to 108,648.98, 149,935.94 and 60,254.37 is: 83,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,648.98 : 149,935.94 = 60,254.37 : x
  2. Step 2: Convert to fraction form
    108,648.98/149,935.94 = 60,254.37/x
  3. Step 3: Cross multiply
    108,648.98x = 149,935.94 × 60,254.37
  4. Step 4: Simplify right side
    108,648.98x = 9,034,295,303.79
  5. Step 5: Solve for x
    x = 9,034,295,303.79/108,648.98
  6. Step 6: Final answer
    x = 83,151.22

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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.