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Finding the Fourth Proportional to 141,812.10, 198,274.50 and 141,812.10

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Solution

The fourth proportional to 141,812.10, 198,274.50 and 141,812.10 is: 198,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.10 : 198,274.50 = 141,812.10 : x
  2. Step 2: Convert to fraction form
    141,812.10/198,274.50 = 141,812.10/x
  3. Step 3: Cross multiply
    141,812.10x = 198,274.50 × 141,812.10
  4. Step 4: Simplify right side
    141,812.10x = 28,117,723,221.45
  5. Step 5: Solve for x
    x = 28,117,723,221.45/141,812.10
  6. Step 6: Final answer
    x = 198,274.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.