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Finding the Fourth Proportional to 79,777.84, 110,088.48 and 43,965.86

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Solution

The fourth proportional to 79,777.84, 110,088.48 and 43,965.86 is: 60,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.84 : 110,088.48 = 43,965.86 : x
  2. Step 2: Convert to fraction form
    79,777.84/110,088.48 = 43,965.86/x
  3. Step 3: Cross multiply
    79,777.84x = 110,088.48 × 43,965.86
  4. Step 4: Simplify right side
    79,777.84x = 4,840,134,699.29
  5. Step 5: Solve for x
    x = 4,840,134,699.29/79,777.84
  6. Step 6: Final answer
    x = 60,670.16

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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.