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Finding the Fourth Proportional to 183,368.00, 275,081.16 and 78,187.88

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Solution

The fourth proportional to 183,368.00, 275,081.16 and 78,187.88 is: 117,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,368.00 : 275,081.16 = 78,187.88 : x
  2. Step 2: Convert to fraction form
    183,368.00/275,081.16 = 78,187.88/x
  3. Step 3: Cross multiply
    183,368.00x = 275,081.16 × 78,187.88
  4. Step 4: Simplify right side
    183,368.00x = 21,508,013,709.25
  5. Step 5: Solve for x
    x = 21,508,013,709.25/183,368.00
  6. Step 6: Final answer
    x = 117,294.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.