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Finding the Fourth Proportional to 110,047.66, 151,525.72 and 85,945.98

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Solution

The fourth proportional to 110,047.66, 151,525.72 and 85,945.98 is: 118,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,047.66 : 151,525.72 = 85,945.98 : x
  2. Step 2: Convert to fraction form
    110,047.66/151,525.72 = 85,945.98/x
  3. Step 3: Cross multiply
    110,047.66x = 151,525.72 × 85,945.98
  4. Step 4: Simplify right side
    110,047.66x = 13,023,026,500.61
  5. Step 5: Solve for x
    x = 13,023,026,500.61/110,047.66
  6. Step 6: Final answer
    x = 118,339.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.