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Finding the Fourth Proportional to 120,502.98, 179,677.11 and 117,192.51

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Solution

The fourth proportional to 120,502.98, 179,677.11 and 117,192.51 is: 174,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,502.98 : 179,677.11 = 117,192.51 : x
  2. Step 2: Convert to fraction form
    120,502.98/179,677.11 = 117,192.51/x
  3. Step 3: Cross multiply
    120,502.98x = 179,677.11 × 117,192.51
  4. Step 4: Simplify right side
    120,502.98x = 21,056,810,612.06
  5. Step 5: Solve for x
    x = 21,056,810,612.06/120,502.98
  6. Step 6: Final answer
    x = 174,741.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.