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Finding the Fourth Proportional to 77,895.66, 107,492.92 and 43,911.22

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Solution

The fourth proportional to 77,895.66, 107,492.92 and 43,911.22 is: 60,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895.66 : 107,492.92 = 43,911.22 : x
  2. Step 2: Convert to fraction form
    77,895.66/107,492.92 = 43,911.22/x
  3. Step 3: Cross multiply
    77,895.66x = 107,492.92 × 43,911.22
  4. Step 4: Simplify right side
    77,895.66x = 4,720,145,258.56
  5. Step 5: Solve for x
    x = 4,720,145,258.56/77,895.66
  6. Step 6: Final answer
    x = 60,595.74

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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.