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Finding the Fourth Proportional to 104,536.88, 144,264.12 and 59,839.28

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Solution

The fourth proportional to 104,536.88, 144,264.12 and 59,839.28 is: 82,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,536.88 : 144,264.12 = 59,839.28 : x
  2. Step 2: Convert to fraction form
    104,536.88/144,264.12 = 59,839.28/x
  3. Step 3: Cross multiply
    104,536.88x = 144,264.12 × 59,839.28
  4. Step 4: Simplify right side
    104,536.88x = 8,632,661,070.63
  5. Step 5: Solve for x
    x = 8,632,661,070.63/104,536.88
  6. Step 6: Final answer
    x = 82,580.05

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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.