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Finding the Fourth Proportional to 336,858.74, 505,178.65 and 112,158.66

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Solution

The fourth proportional to 336,858.74, 505,178.65 and 112,158.66 is: 168,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,858.74 : 505,178.65 = 112,158.66 : x
  2. Step 2: Convert to fraction form
    336,858.74/505,178.65 = 112,158.66/x
  3. Step 3: Cross multiply
    336,858.74x = 505,178.65 × 112,158.66
  4. Step 4: Simplify right side
    336,858.74x = 56,660,160,444.61
  5. Step 5: Solve for x
    x = 56,660,160,444.61/336,858.74
  6. Step 6: Final answer
    x = 168,201.54

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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.