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Finding the Fourth Proportional to 96,426.60, 144,639.90 and 41,015.40

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Solution

The fourth proportional to 96,426.60, 144,639.90 and 41,015.40 is: 61,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,426.60 : 144,639.90 = 41,015.40 : x
  2. Step 2: Convert to fraction form
    96,426.60/144,639.90 = 41,015.40/x
  3. Step 3: Cross multiply
    96,426.60x = 144,639.90 × 41,015.40
  4. Step 4: Simplify right side
    96,426.60x = 5,932,463,354.46
  5. Step 5: Solve for x
    x = 5,932,463,354.46/96,426.60
  6. Step 6: Final answer
    x = 61,523.10

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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.