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Finding the Fourth Proportional to 229,937.81, 344,958.55 and 70,028.01

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Solution

The fourth proportional to 229,937.81, 344,958.55 and 70,028.01 is: 105,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,937.81 : 344,958.55 = 70,028.01 : x
  2. Step 2: Convert to fraction form
    229,937.81/344,958.55 = 70,028.01/x
  3. Step 3: Cross multiply
    229,937.81x = 344,958.55 × 70,028.01
  4. Step 4: Simplify right side
    229,937.81x = 24,156,760,613.92
  5. Step 5: Solve for x
    x = 24,156,760,613.92/229,937.81
  6. Step 6: Final answer
    x = 105,057.80

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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.