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Finding the Fourth Proportional to 89,862.57, 134,811.14 and 34,454.25

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Solution

The fourth proportional to 89,862.57, 134,811.14 and 34,454.25 is: 51,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.57 : 134,811.14 = 34,454.25 : x
  2. Step 2: Convert to fraction form
    89,862.57/134,811.14 = 34,454.25/x
  3. Step 3: Cross multiply
    89,862.57x = 134,811.14 × 34,454.25
  4. Step 4: Simplify right side
    89,862.57x = 4,644,816,548.07
  5. Step 5: Solve for x
    x = 4,644,816,548.07/89,862.57
  6. Step 6: Final answer
    x = 51,688.00

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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.