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Finding the Fourth Proportional to 75,955.75, 104,827.84 and 45,756.32

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Solution

The fourth proportional to 75,955.75, 104,827.84 and 45,756.32 is: 63,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,955.75 : 104,827.84 = 45,756.32 : x
  2. Step 2: Convert to fraction form
    75,955.75/104,827.84 = 45,756.32/x
  3. Step 3: Cross multiply
    75,955.75x = 104,827.84 × 45,756.32
  4. Step 4: Simplify right side
    75,955.75x = 4,796,535,553.42
  5. Step 5: Solve for x
    x = 4,796,535,553.42/75,955.75
  6. Step 6: Final answer
    x = 63,149.08

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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.