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Finding the Fourth Proportional to 104,059.13, 143,602.07 and 58,739.02

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Solution

The fourth proportional to 104,059.13, 143,602.07 and 58,739.02 is: 81,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.13 : 143,602.07 = 58,739.02 : x
  2. Step 2: Convert to fraction form
    104,059.13/143,602.07 = 58,739.02/x
  3. Step 3: Cross multiply
    104,059.13x = 143,602.07 × 58,739.02
  4. Step 4: Simplify right side
    104,059.13x = 8,435,044,861.77
  5. Step 5: Solve for x
    x = 8,435,044,861.77/104,059.13
  6. Step 6: Final answer
    x = 81,060.11

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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.