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Finding the Fourth Proportional to 119,241.59, 178,946.19 and 56,064.60

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Solution

The fourth proportional to 119,241.59, 178,946.19 and 56,064.60 is: 84,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,241.59 : 178,946.19 = 56,064.60 : x
  2. Step 2: Convert to fraction form
    119,241.59/178,946.19 = 56,064.60/x
  3. Step 3: Cross multiply
    119,241.59x = 178,946.19 × 56,064.60
  4. Step 4: Simplify right side
    119,241.59x = 10,032,546,563.87
  5. Step 5: Solve for x
    x = 10,032,546,563.87/119,241.59
  6. Step 6: Final answer
    x = 84,136.31

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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.