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Finding the Fourth Proportional to 71,994.40, 99,264.01 and 59,202.88

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Solution

The fourth proportional to 71,994.40, 99,264.01 and 59,202.88 is: 81,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,994.40 : 99,264.01 = 59,202.88 : x
  2. Step 2: Convert to fraction form
    71,994.40/99,264.01 = 59,202.88/x
  3. Step 3: Cross multiply
    71,994.40x = 99,264.01 × 59,202.88
  4. Step 4: Simplify right side
    71,994.40x = 5,876,715,272.35
  5. Step 5: Solve for x
    x = 5,876,715,272.35/71,994.40
  6. Step 6: Final answer
    x = 81,627.39

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1.5x scale

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.