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Finding the Fourth Proportional to 104,427, 144,109.44 and 59,715

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Solution

The fourth proportional to 104,427, 144,109.44 and 59,715 is: 82,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427 : 144,109.44 = 59,715 : x
  2. Step 2: Convert to fraction form
    104,427/144,109.44 = 59,715/x
  3. Step 3: Cross multiply
    104,427x = 144,109.44 × 59,715
  4. Step 4: Simplify right side
    104,427x = 8,605,495,209.60
  5. Step 5: Solve for x
    x = 8,605,495,209.60/104,427
  6. Step 6: Final answer
    x = 82,406.80

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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.