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Finding the Fourth Proportional to 303,172.98, 454,681.89 and 89,891.02

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Solution

The fourth proportional to 303,172.98, 454,681.89 and 89,891.02 is: 134,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,172.98 : 454,681.89 = 89,891.02 : x
  2. Step 2: Convert to fraction form
    303,172.98/454,681.89 = 89,891.02/x
  3. Step 3: Cross multiply
    303,172.98x = 454,681.89 × 89,891.02
  4. Step 4: Simplify right side
    303,172.98x = 40,871,818,867.63
  5. Step 5: Solve for x
    x = 40,871,818,867.63/303,172.98
  6. Step 6: Final answer
    x = 134,813.53

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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.