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Finding the Fourth Proportional to 104,572.88, 144,310.19 and 59,259.50

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Solution

The fourth proportional to 104,572.88, 144,310.19 and 59,259.50 is: 81,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.88 : 144,310.19 = 59,259.50 : x
  2. Step 2: Convert to fraction form
    104,572.88/144,310.19 = 59,259.50/x
  3. Step 3: Cross multiply
    104,572.88x = 144,310.19 × 59,259.50
  4. Step 4: Simplify right side
    104,572.88x = 8,551,749,130.90
  5. Step 5: Solve for x
    x = 8,551,749,130.90/104,572.88
  6. Step 6: Final answer
    x = 81,777.88

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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.