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Finding the Fourth Proportional to 108,362.88, 149,208.48 and 94,858.56

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Solution

The fourth proportional to 108,362.88, 149,208.48 and 94,858.56 is: 130,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,362.88 : 149,208.48 = 94,858.56 : x
  2. Step 2: Convert to fraction form
    108,362.88/149,208.48 = 94,858.56/x
  3. Step 3: Cross multiply
    108,362.88x = 149,208.48 × 94,858.56
  4. Step 4: Simplify right side
    108,362.88x = 14,153,701,552.59
  5. Step 5: Solve for x
    x = 14,153,701,552.59/108,362.88
  6. Step 6: Final answer
    x = 130,613.93

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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.