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Finding the Fourth Proportional to 55,045.17, 75,957.04 and 43,742.03

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Solution

The fourth proportional to 55,045.17, 75,957.04 and 43,742.03 is: 60,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.17 : 75,957.04 = 43,742.03 : x
  2. Step 2: Convert to fraction form
    55,045.17/75,957.04 = 43,742.03/x
  3. Step 3: Cross multiply
    55,045.17x = 75,957.04 × 43,742.03
  4. Step 4: Simplify right side
    55,045.17x = 3,322,514,797.28
  5. Step 5: Solve for x
    x = 3,322,514,797.28/55,045.17
  6. Step 6: Final answer
    x = 60,359.79

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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.