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Finding the Fourth Proportional to 71,874.18, 99,133.56 and 46,367.60

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Solution

The fourth proportional to 71,874.18, 99,133.56 and 46,367.60 is: 63,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,874.18 : 99,133.56 = 46,367.60 : x
  2. Step 2: Convert to fraction form
    71,874.18/99,133.56 = 46,367.60/x
  3. Step 3: Cross multiply
    71,874.18x = 99,133.56 × 46,367.60
  4. Step 4: Simplify right side
    71,874.18x = 4,596,584,760.99
  5. Step 5: Solve for x
    x = 4,596,584,760.99/71,874.18
  6. Step 6: Final answer
    x = 63,953.21

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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.