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Finding the Fourth Proportional to 75,448.44, 112,619.43 and 66,592.44

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Solution

The fourth proportional to 75,448.44, 112,619.43 and 66,592.44 is: 99,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.44 : 112,619.43 = 66,592.44 : x
  2. Step 2: Convert to fraction form
    75,448.44/112,619.43 = 66,592.44/x
  3. Step 3: Cross multiply
    75,448.44x = 112,619.43 × 66,592.44
  4. Step 4: Simplify right side
    75,448.44x = 7,499,602,635.11
  5. Step 5: Solve for x
    x = 7,499,602,635.11/75,448.44
  6. Step 6: Final answer
    x = 99,400.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.