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Finding the Fourth Proportional to 251,406.72, 377,110.08 and 176,860.43

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Solution

The fourth proportional to 251,406.72, 377,110.08 and 176,860.43 is: 265,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,406.72 : 377,110.08 = 176,860.43 : x
  2. Step 2: Convert to fraction form
    251,406.72/377,110.08 = 176,860.43/x
  3. Step 3: Cross multiply
    251,406.72x = 377,110.08 × 176,860.43
  4. Step 4: Simplify right side
    251,406.72x = 66,695,849,020.58
  5. Step 5: Solve for x
    x = 66,695,849,020.58/251,406.72
  6. Step 6: Final answer
    x = 265,290.64

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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.