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Finding the Fourth Proportional to 88,682.40, 133,061.40 and 46,594.80

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Solution

The fourth proportional to 88,682.40, 133,061.40 and 46,594.80 is: 69,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.40 : 133,061.40 = 46,594.80 : x
  2. Step 2: Convert to fraction form
    88,682.40/133,061.40 = 46,594.80/x
  3. Step 3: Cross multiply
    88,682.40x = 133,061.40 × 46,594.80
  4. Step 4: Simplify right side
    88,682.40x = 6,199,969,320.72
  5. Step 5: Solve for x
    x = 6,199,969,320.72/88,682.40
  6. Step 6: Final answer
    x = 69,912.06

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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.