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Finding the Fourth Proportional to 73,338.42, 101,207.08 and 39,804.42

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Solution

The fourth proportional to 73,338.42, 101,207.08 and 39,804.42 is: 54,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,338.42 : 101,207.08 = 39,804.42 : x
  2. Step 2: Convert to fraction form
    73,338.42/101,207.08 = 39,804.42/x
  3. Step 3: Cross multiply
    73,338.42x = 101,207.08 × 39,804.42
  4. Step 4: Simplify right side
    73,338.42x = 4,028,489,119.29
  5. Step 5: Solve for x
    x = 4,028,489,119.29/73,338.42
  6. Step 6: Final answer
    x = 54,930.13

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1.5x scale

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.