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Finding the Fourth Proportional to 104,327.55, 143,916.48 and 63,504.09

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Solution

The fourth proportional to 104,327.55, 143,916.48 and 63,504.09 is: 87,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,327.55 : 143,916.48 = 63,504.09 : x
  2. Step 2: Convert to fraction form
    104,327.55/143,916.48 = 63,504.09/x
  3. Step 3: Cross multiply
    104,327.55x = 143,916.48 × 63,504.09
  4. Step 4: Simplify right side
    104,327.55x = 9,139,285,098.40
  5. Step 5: Solve for x
    x = 9,139,285,098.40/104,327.55
  6. Step 6: Final answer
    x = 87,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.