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Finding the Fourth Proportional to 120,597.53, 166,425.03 and 66,887.51

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Solution

The fourth proportional to 120,597.53, 166,425.03 and 66,887.51 is: 92,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,597.53 : 166,425.03 = 66,887.51 : x
  2. Step 2: Convert to fraction form
    120,597.53/166,425.03 = 66,887.51/x
  3. Step 3: Cross multiply
    120,597.53x = 166,425.03 × 66,887.51
  4. Step 4: Simplify right side
    120,597.53x = 11,131,755,026.25
  5. Step 5: Solve for x
    x = 11,131,755,026.25/120,597.53
  6. Step 6: Final answer
    x = 92,305.00

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1.5x scale

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.