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Finding the Fourth Proportional to 251,305.71, 377,081.58 and 118,199.43

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Solution

The fourth proportional to 251,305.71, 377,081.58 and 118,199.43 is: 177,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,305.71 : 377,081.58 = 118,199.43 : x
  2. Step 2: Convert to fraction form
    251,305.71/377,081.58 = 118,199.43/x
  3. Step 3: Cross multiply
    251,305.71x = 377,081.58 × 118,199.43
  4. Step 4: Simplify right side
    251,305.71x = 44,570,827,819.50
  5. Step 5: Solve for x
    x = 44,570,827,819.50/251,305.71
  6. Step 6: Final answer
    x = 177,357.00

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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.