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Finding the Fourth Proportional to 71,677.88, 107,529.79 and 29,534.52

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Solution

The fourth proportional to 71,677.88, 107,529.79 and 29,534.52 is: 44,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.88 : 107,529.79 = 29,534.52 : x
  2. Step 2: Convert to fraction form
    71,677.88/107,529.79 = 29,534.52/x
  3. Step 3: Cross multiply
    71,677.88x = 107,529.79 × 29,534.52
  4. Step 4: Simplify right side
    71,677.88x = 3,175,840,659.51
  5. Step 5: Solve for x
    x = 3,175,840,659.51/71,677.88
  6. Step 6: Final answer
    x = 44,307.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.