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Finding the Fourth Proportional to 70,345.88, 105,527.16 and 44,052.80

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Solution

The fourth proportional to 70,345.88, 105,527.16 and 44,052.80 is: 66,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.88 : 105,527.16 = 44,052.80 : x
  2. Step 2: Convert to fraction form
    70,345.88/105,527.16 = 44,052.80/x
  3. Step 3: Cross multiply
    70,345.88x = 105,527.16 × 44,052.80
  4. Step 4: Simplify right side
    70,345.88x = 4,648,766,874.05
  5. Step 5: Solve for x
    x = 4,648,766,874.05/70,345.88
  6. Step 6: Final answer
    x = 66,084.42

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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.