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Finding the Fourth Proportional to 70,623.48, 105,935.04 and 44,346.66

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Solution

The fourth proportional to 70,623.48, 105,935.04 and 44,346.66 is: 66,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.48 : 105,935.04 = 44,346.66 : x
  2. Step 2: Convert to fraction form
    70,623.48/105,935.04 = 44,346.66/x
  3. Step 3: Cross multiply
    70,623.48x = 105,935.04 × 44,346.66
  4. Step 4: Simplify right side
    70,623.48x = 4,697,865,200.97
  5. Step 5: Solve for x
    x = 4,697,865,200.97/70,623.48
  6. Step 6: Final answer
    x = 66,519.88

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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.