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Finding the Fourth Proportional to 79,873.56, 110,275.02 and 56,096.28

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Solution

The fourth proportional to 79,873.56, 110,275.02 and 56,096.28 is: 77,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.56 : 110,275.02 = 56,096.28 : x
  2. Step 2: Convert to fraction form
    79,873.56/110,275.02 = 56,096.28/x
  3. Step 3: Cross multiply
    79,873.56x = 110,275.02 × 56,096.28
  4. Step 4: Simplify right side
    79,873.56x = 6,186,018,398.93
  5. Step 5: Solve for x
    x = 6,186,018,398.93/79,873.56
  6. Step 6: Final answer
    x = 77,447.64

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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.