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Finding the Fourth Proportional to 111,695.01, 167,554.77 and 48,471.66

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Solution

The fourth proportional to 111,695.01, 167,554.77 and 48,471.66 is: 72,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,695.01 : 167,554.77 = 48,471.66 : x
  2. Step 2: Convert to fraction form
    111,695.01/167,554.77 = 48,471.66/x
  3. Step 3: Cross multiply
    111,695.01x = 167,554.77 × 48,471.66
  4. Step 4: Simplify right side
    111,695.01x = 8,121,657,842.82
  5. Step 5: Solve for x
    x = 8,121,657,842.82/111,695.01
  6. Step 6: Final answer
    x = 72,712.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.