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Finding the Fourth Proportional to 88,679.40, 133,056.90 and 46,591.80

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Solution

The fourth proportional to 88,679.40, 133,056.90 and 46,591.80 is: 69,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.40 : 133,056.90 = 46,591.80 : x
  2. Step 2: Convert to fraction form
    88,679.40/133,056.90 = 46,591.80/x
  3. Step 3: Cross multiply
    88,679.40x = 133,056.90 × 46,591.80
  4. Step 4: Simplify right side
    88,679.40x = 6,199,360,473.42
  5. Step 5: Solve for x
    x = 6,199,360,473.42/88,679.40
  6. Step 6: Final answer
    x = 69,907.56

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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.