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Finding the Fourth Proportional to 187,180,945.20, 280,133,688.60 and 187,180,945.20

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Solution

The fourth proportional to 187,180,945.20, 280,133,688.60 and 187,180,945.20 is: 280,133,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,180,945.20 : 280,133,688.60 = 187,180,945.20 : x
  2. Step 2: Convert to fraction form
    187,180,945.20/280,133,688.60 = 187,180,945.20/x
  3. Step 3: Cross multiply
    187,180,945.20x = 280,133,688.60 × 187,180,945.20
  4. Step 4: Simplify right side
    187,180,945.20x = 52,435,688,614,510,464
  5. Step 5: Solve for x
    x = 52,435,688,614,510,464/187,180,945.20
  6. Step 6: Final answer
    x = 280,133,688.60

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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.