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Finding the Fourth Proportional to 96,368.96, 133,027.80 and 63,658.64

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Solution

The fourth proportional to 96,368.96, 133,027.80 and 63,658.64 is: 87,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,368.96 : 133,027.80 = 63,658.64 : x
  2. Step 2: Convert to fraction form
    96,368.96/133,027.80 = 63,658.64/x
  3. Step 3: Cross multiply
    96,368.96x = 133,027.80 × 63,658.64
  4. Step 4: Simplify right side
    96,368.96x = 8,468,368,830.19
  5. Step 5: Solve for x
    x = 8,468,368,830.19/96,368.96
  6. Step 6: Final answer
    x = 87,874.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.