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Finding the Fourth Proportional to 96,376.60, 144,500.10 and 51,405.40

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Solution

The fourth proportional to 96,376.60, 144,500.10 and 51,405.40 is: 77,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,376.60 : 144,500.10 = 51,405.40 : x
  2. Step 2: Convert to fraction form
    96,376.60/144,500.10 = 51,405.40/x
  3. Step 3: Cross multiply
    96,376.60x = 144,500.10 × 51,405.40
  4. Step 4: Simplify right side
    96,376.60x = 7,428,085,440.54
  5. Step 5: Solve for x
    x = 7,428,085,440.54/96,376.60
  6. Step 6: Final answer
    x = 77,073.54

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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.