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Finding the Fourth Proportional to 200,591.16, 300,688.80 and 95,483.94

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Solution

The fourth proportional to 200,591.16, 300,688.80 and 95,483.94 is: 143,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,591.16 : 300,688.80 = 95,483.94 : x
  2. Step 2: Convert to fraction form
    200,591.16/300,688.80 = 95,483.94/x
  3. Step 3: Cross multiply
    200,591.16x = 300,688.80 × 95,483.94
  4. Step 4: Simplify right side
    200,591.16x = 28,710,951,337.87
  5. Step 5: Solve for x
    x = 28,710,951,337.87/200,591.16
  6. Step 6: Final answer
    x = 143,131.69

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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.