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Finding the Fourth Proportional to 108,603.94, 149,873.34 and 60,208.96

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Solution

The fourth proportional to 108,603.94, 149,873.34 and 60,208.96 is: 83,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,603.94 : 149,873.34 = 60,208.96 : x
  2. Step 2: Convert to fraction form
    108,603.94/149,873.34 = 60,208.96/x
  3. Step 3: Cross multiply
    108,603.94x = 149,873.34 × 60,208.96
  4. Step 4: Simplify right side
    108,603.94x = 9,023,717,933.13
  5. Step 5: Solve for x
    x = 9,023,717,933.13/108,603.94
  6. Step 6: Final answer
    x = 83,088.31

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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.