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Finding the Fourth Proportional to 96,487.94, 144,730.60 and 43,165.82

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Solution

The fourth proportional to 96,487.94, 144,730.60 and 43,165.82 is: 64,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,487.94 : 144,730.60 = 43,165.82 : x
  2. Step 2: Convert to fraction form
    96,487.94/144,730.60 = 43,165.82/x
  3. Step 3: Cross multiply
    96,487.94x = 144,730.60 × 43,165.82
  4. Step 4: Simplify right side
    96,487.94x = 6,247,415,028.09
  5. Step 5: Solve for x
    x = 6,247,415,028.09/96,487.94
  6. Step 6: Final answer
    x = 64,748.14

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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.