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Finding the Fourth Proportional to 354,764.09, 532,150.08 and 118,106.39

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Solution

The fourth proportional to 354,764.09, 532,150.08 and 118,106.39 is: 177,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,764.09 : 532,150.08 = 118,106.39 : x
  2. Step 2: Convert to fraction form
    354,764.09/532,150.08 = 118,106.39/x
  3. Step 3: Cross multiply
    354,764.09x = 532,150.08 × 118,106.39
  4. Step 4: Simplify right side
    354,764.09x = 62,850,322,226.26
  5. Step 5: Solve for x
    x = 62,850,322,226.26/354,764.09
  6. Step 6: Final answer
    x = 177,160.89

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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.