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Finding the Fourth Proportional to 141,056.80, 198,004.40 and 141,056.80

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Solution

The fourth proportional to 141,056.80, 198,004.40 and 141,056.80 is: 198,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,056.80 : 198,004.40 = 141,056.80 : x
  2. Step 2: Convert to fraction form
    141,056.80/198,004.40 = 141,056.80/x
  3. Step 3: Cross multiply
    141,056.80x = 198,004.40 × 141,056.80
  4. Step 4: Simplify right side
    141,056.80x = 27,929,867,049.92
  5. Step 5: Solve for x
    x = 27,929,867,049.92/141,056.80
  6. Step 6: Final answer
    x = 198,004.40

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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.