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Finding the Fourth Proportional to 201,963.15, 302,911.91 and 95,346.90

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Solution

The fourth proportional to 201,963.15, 302,911.91 and 95,346.90 is: 143,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,963.15 : 302,911.91 = 95,346.90 : x
  2. Step 2: Convert to fraction form
    201,963.15/302,911.91 = 95,346.90/x
  3. Step 3: Cross multiply
    201,963.15x = 302,911.91 × 95,346.90
  4. Step 4: Simplify right side
    201,963.15x = 28,881,712,110.49
  5. Step 5: Solve for x
    x = 28,881,712,110.49/201,963.15
  6. Step 6: Final answer
    x = 143,004.86

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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.