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Finding the Fourth Proportional to 73,609.70, 101,547.42 and 43,374.38

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Solution

The fourth proportional to 73,609.70, 101,547.42 and 43,374.38 is: 59,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609.70 : 101,547.42 = 43,374.38 : x
  2. Step 2: Convert to fraction form
    73,609.70/101,547.42 = 43,374.38/x
  3. Step 3: Cross multiply
    73,609.70x = 101,547.42 × 43,374.38
  4. Step 4: Simplify right side
    73,609.70x = 4,404,556,383.10
  5. Step 5: Solve for x
    x = 4,404,556,383.10/73,609.70
  6. Step 6: Final answer
    x = 59,836.63

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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.