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Finding the Fourth Proportional to 132,805.25, 183,271.25 and 73,189.25

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Solution

The fourth proportional to 132,805.25, 183,271.25 and 73,189.25 is: 101,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.25 : 183,271.25 = 73,189.25 : x
  2. Step 2: Convert to fraction form
    132,805.25/183,271.25 = 73,189.25/x
  3. Step 3: Cross multiply
    132,805.25x = 183,271.25 × 73,189.25
  4. Step 4: Simplify right side
    132,805.25x = 13,413,484,968.12
  5. Step 5: Solve for x
    x = 13,413,484,968.12/132,805.25
  6. Step 6: Final answer
    x = 101,001.17

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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.