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Finding the Fourth Proportional to 218,838.93, 301,882.92 and 178,048.64

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Solution

The fourth proportional to 218,838.93, 301,882.92 and 178,048.64 is: 245,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,838.93 : 301,882.92 = 178,048.64 : x
  2. Step 2: Convert to fraction form
    218,838.93/301,882.92 = 178,048.64/x
  3. Step 3: Cross multiply
    218,838.93x = 301,882.92 × 178,048.64
  4. Step 4: Simplify right side
    218,838.93x = 53,749,845,359.06
  5. Step 5: Solve for x
    x = 53,749,845,359.06/218,838.93
  6. Step 6: Final answer
    x = 245,613.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.