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Finding the Fourth Proportional to 141,906.60, 212,859.90 and 116,537.40

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Solution

The fourth proportional to 141,906.60, 212,859.90 and 116,537.40 is: 174,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.60 : 212,859.90 = 116,537.40 : x
  2. Step 2: Convert to fraction form
    141,906.60/212,859.90 = 116,537.40/x
  3. Step 3: Cross multiply
    141,906.60x = 212,859.90 × 116,537.40
  4. Step 4: Simplify right side
    141,906.60x = 24,806,139,310.26
  5. Step 5: Solve for x
    x = 24,806,139,310.26/141,906.60
  6. Step 6: Final answer
    x = 174,806.10

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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.