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Finding the Fourth Proportional to 75,464.96, 104,154.54 and 43,653.20

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Solution

The fourth proportional to 75,464.96, 104,154.54 and 43,653.20 is: 60,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.96 : 104,154.54 = 43,653.20 : x
  2. Step 2: Convert to fraction form
    75,464.96/104,154.54 = 43,653.20/x
  3. Step 3: Cross multiply
    75,464.96x = 104,154.54 × 43,653.20
  4. Step 4: Simplify right side
    75,464.96x = 4,546,678,965.53
  5. Step 5: Solve for x
    x = 4,546,678,965.53/75,464.96
  6. Step 6: Final answer
    x = 60,248.88

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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.