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Finding the Fourth Proportional to 64,131.70, 88,502.04 and 35,060.66

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Solution

The fourth proportional to 64,131.70, 88,502.04 and 35,060.66 is: 48,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.70 : 88,502.04 = 35,060.66 : x
  2. Step 2: Convert to fraction form
    64,131.70/88,502.04 = 35,060.66/x
  3. Step 3: Cross multiply
    64,131.70x = 88,502.04 × 35,060.66
  4. Step 4: Simplify right side
    64,131.70x = 3,102,939,933.75
  5. Step 5: Solve for x
    x = 3,102,939,933.75/64,131.70
  6. Step 6: Final answer
    x = 48,383.87

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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.