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Finding the Fourth Proportional to 73,488.06, 101,412.81 and 39,954.06

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Solution

The fourth proportional to 73,488.06, 101,412.81 and 39,954.06 is: 55,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488.06 : 101,412.81 = 39,954.06 : x
  2. Step 2: Convert to fraction form
    73,488.06/101,412.81 = 39,954.06/x
  3. Step 3: Cross multiply
    73,488.06x = 101,412.81 × 39,954.06
  4. Step 4: Simplify right side
    73,488.06x = 4,051,853,495.51
  5. Step 5: Solve for x
    x = 4,051,853,495.51/73,488.06
  6. Step 6: Final answer
    x = 55,136.22

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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.