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Finding the Fourth Proportional to 108,444.97, 149,652.59 and 60,698.31

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Solution

The fourth proportional to 108,444.97, 149,652.59 and 60,698.31 is: 83,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,444.97 : 149,652.59 = 60,698.31 : x
  2. Step 2: Convert to fraction form
    108,444.97/149,652.59 = 60,698.31/x
  3. Step 3: Cross multiply
    108,444.97x = 149,652.59 × 60,698.31
  4. Step 4: Simplify right side
    108,444.97x = 9,083,658,996.63
  5. Step 5: Solve for x
    x = 9,083,658,996.63/108,444.97
  6. Step 6: Final answer
    x = 83,762.84

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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.