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Finding the Fourth Proportional to 152,199.99, 210,087.81 and 88,591.23

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Solution

The fourth proportional to 152,199.99, 210,087.81 and 88,591.23 is: 122,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,199.99 : 210,087.81 = 88,591.23 : x
  2. Step 2: Convert to fraction form
    152,199.99/210,087.81 = 88,591.23/x
  3. Step 3: Cross multiply
    152,199.99x = 210,087.81 × 88,591.23
  4. Step 4: Simplify right side
    152,199.99x = 18,611,937,495.91
  5. Step 5: Solve for x
    x = 18,611,937,495.91/152,199.99
  6. Step 6: Final answer
    x = 122,286.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.