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Finding the Fourth Proportional to 270,613.47, 405,944.06 and 70,933.17

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Solution

The fourth proportional to 270,613.47, 405,944.06 and 70,933.17 is: 106,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,613.47 : 405,944.06 = 70,933.17 : x
  2. Step 2: Convert to fraction form
    270,613.47/405,944.06 = 70,933.17/x
  3. Step 3: Cross multiply
    270,613.47x = 405,944.06 × 70,933.17
  4. Step 4: Simplify right side
    270,613.47x = 28,794,898,663.80
  5. Step 5: Solve for x
    x = 28,794,898,663.80/270,613.47
  6. Step 6: Final answer
    x = 106,406.01

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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.