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Finding the Fourth Proportional to 183,206.80, 274,858.80 and 64,865.80

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Solution

The fourth proportional to 183,206.80, 274,858.80 and 64,865.80 is: 97,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,206.80 : 274,858.80 = 64,865.80 : x
  2. Step 2: Convert to fraction form
    183,206.80/274,858.80 = 64,865.80/x
  3. Step 3: Cross multiply
    183,206.80x = 274,858.80 × 64,865.80
  4. Step 4: Simplify right side
    183,206.80x = 17,828,935,949.04
  5. Step 5: Solve for x
    x = 17,828,935,949.04/183,206.80
  6. Step 6: Final answer
    x = 97,315.91

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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.