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Finding the Fourth Proportional to 201,368.80, 301,707.60 and 95,960.80

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Solution

The fourth proportional to 201,368.80, 301,707.60 and 95,960.80 is: 143,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,368.80 : 301,707.60 = 95,960.80 : x
  2. Step 2: Convert to fraction form
    201,368.80/301,707.60 = 95,960.80/x
  3. Step 3: Cross multiply
    201,368.80x = 301,707.60 × 95,960.80
  4. Step 4: Simplify right side
    201,368.80x = 28,952,102,662.08
  5. Step 5: Solve for x
    x = 28,952,102,662.08/201,368.80
  6. Step 6: Final answer
    x = 143,776.51

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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.