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Finding the Fourth Proportional to 270,898.61, 373,842.88 and 163,447.88

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Solution

The fourth proportional to 270,898.61, 373,842.88 and 163,447.88 is: 225,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,898.61 : 373,842.88 = 163,447.88 : x
  2. Step 2: Convert to fraction form
    270,898.61/373,842.88 = 163,447.88/x
  3. Step 3: Cross multiply
    270,898.61x = 373,842.88 × 163,447.88
  4. Step 4: Simplify right side
    270,898.61x = 61,103,823,911.26
  5. Step 5: Solve for x
    x = 61,103,823,911.26/270,898.61
  6. Step 6: Final answer
    x = 225,559.76

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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.