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Finding the Fourth Proportional to 79,888.37, 110,226.29 and 48,835.77

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Solution

The fourth proportional to 79,888.37, 110,226.29 and 48,835.77 is: 67,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,888.37 : 110,226.29 = 48,835.77 : x
  2. Step 2: Convert to fraction form
    79,888.37/110,226.29 = 48,835.77/x
  3. Step 3: Cross multiply
    79,888.37x = 110,226.29 × 48,835.77
  4. Step 4: Simplify right side
    79,888.37x = 5,382,985,502.21
  5. Step 5: Solve for x
    x = 5,382,985,502.21/79,888.37
  6. Step 6: Final answer
    x = 67,381.35

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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.