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Finding the Fourth Proportional to 191,024.80, 286,537.20 and 96,546.40

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Solution

The fourth proportional to 191,024.80, 286,537.20 and 96,546.40 is: 144,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,024.80 : 286,537.20 = 96,546.40 : x
  2. Step 2: Convert to fraction form
    191,024.80/286,537.20 = 96,546.40/x
  3. Step 3: Cross multiply
    191,024.80x = 286,537.20 × 96,546.40
  4. Step 4: Simplify right side
    191,024.80x = 27,664,135,126.08
  5. Step 5: Solve for x
    x = 27,664,135,126.08/191,024.80
  6. Step 6: Final answer
    x = 144,819.60

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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.