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Finding the Fourth Proportional to 201,289.40, 301,674.90 and 95,881.40

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Solution

The fourth proportional to 201,289.40, 301,674.90 and 95,881.40 is: 143,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,289.40 : 301,674.90 = 95,881.40 : x
  2. Step 2: Convert to fraction form
    201,289.40/301,674.90 = 95,881.40/x
  3. Step 3: Cross multiply
    201,289.40x = 301,674.90 × 95,881.40
  4. Step 4: Simplify right side
    201,289.40x = 28,925,011,756.86
  5. Step 5: Solve for x
    x = 28,925,011,756.86/201,289.40
  6. Step 6: Final answer
    x = 143,698.63

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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.