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Finding the Fourth Proportional to 73,718.48, 101,673.96 and 51,066.02

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Solution

The fourth proportional to 73,718.48, 101,673.96 and 51,066.02 is: 70,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,718.48 : 101,673.96 = 51,066.02 : x
  2. Step 2: Convert to fraction form
    73,718.48/101,673.96 = 51,066.02/x
  3. Step 3: Cross multiply
    73,718.48x = 101,673.96 × 51,066.02
  4. Step 4: Simplify right side
    73,718.48x = 5,192,084,474.84
  5. Step 5: Solve for x
    x = 5,192,084,474.84/73,718.48
  6. Step 6: Final answer
    x = 70,431.25

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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.