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Finding the Fourth Proportional to 104,969.01, 144,851.76 and 59,640.70

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Solution

The fourth proportional to 104,969.01, 144,851.76 and 59,640.70 is: 82,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.01 : 144,851.76 = 59,640.70 : x
  2. Step 2: Convert to fraction form
    104,969.01/144,851.76 = 59,640.70/x
  3. Step 3: Cross multiply
    104,969.01x = 144,851.76 × 59,640.70
  4. Step 4: Simplify right side
    104,969.01x = 8,639,060,362.63
  5. Step 5: Solve for x
    x = 8,639,060,362.63/104,969.01
  6. Step 6: Final answer
    x = 82,301.06

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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.