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Finding the Fourth Proportional to 354,683.41, 531,959.50 and 117,962.53

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Solution

The fourth proportional to 354,683.41, 531,959.50 and 117,962.53 is: 176,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,683.41 : 531,959.50 = 117,962.53 : x
  2. Step 2: Convert to fraction form
    354,683.41/531,959.50 = 117,962.53/x
  3. Step 3: Cross multiply
    354,683.41x = 531,959.50 × 117,962.53
  4. Step 4: Simplify right side
    354,683.41x = 62,751,287,295.09
  5. Step 5: Solve for x
    x = 62,751,287,295.09/354,683.41
  6. Step 6: Final answer
    x = 176,921.97

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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.