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Finding the Fourth Proportional to 141,806.35, 198,266.45 and 141,806.35

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Solution

The fourth proportional to 141,806.35, 198,266.45 and 141,806.35 is: 198,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.35 : 198,266.45 = 141,806.35 : x
  2. Step 2: Convert to fraction form
    141,806.35/198,266.45 = 141,806.35/x
  3. Step 3: Cross multiply
    141,806.35x = 198,266.45 × 141,806.35
  4. Step 4: Simplify right side
    141,806.35x = 28,115,441,601.96
  5. Step 5: Solve for x
    x = 28,115,441,601.96/141,806.35
  6. Step 6: Final answer
    x = 198,266.45

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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.