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Finding the Fourth Proportional to 88,684.40, 133,064.40 and 46,596.80

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Solution

The fourth proportional to 88,684.40, 133,064.40 and 46,596.80 is: 69,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.40 : 133,064.40 = 46,596.80 : x
  2. Step 2: Convert to fraction form
    88,684.40/133,064.40 = 46,596.80/x
  3. Step 3: Cross multiply
    88,684.40x = 133,064.40 × 46,596.80
  4. Step 4: Simplify right side
    88,684.40x = 6,200,375,233.92
  5. Step 5: Solve for x
    x = 6,200,375,233.92/88,684.40
  6. Step 6: Final answer
    x = 69,915.06

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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.