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Finding the Fourth Proportional to 96,636.32, 144,989 and 58,762.64

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Solution

The fourth proportional to 96,636.32, 144,989 and 58,762.64 is: 88,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636.32 : 144,989 = 58,762.64 : x
  2. Step 2: Convert to fraction form
    96,636.32/144,989 = 58,762.64/x
  3. Step 3: Cross multiply
    96,636.32x = 144,989 × 58,762.64
  4. Step 4: Simplify right side
    96,636.32x = 8,519,936,410.96
  5. Step 5: Solve for x
    x = 8,519,936,410.96/96,636.32
  6. Step 6: Final answer
    x = 88,164.95

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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.