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Finding the Fourth Proportional to 89,378.94, 134,086.80 and 26,201.10

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Solution

The fourth proportional to 89,378.94, 134,086.80 and 26,201.10 is: 39,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,378.94 : 134,086.80 = 26,201.10 : x
  2. Step 2: Convert to fraction form
    89,378.94/134,086.80 = 26,201.10/x
  3. Step 3: Cross multiply
    89,378.94x = 134,086.80 × 26,201.10
  4. Step 4: Simplify right side
    89,378.94x = 3,513,221,655.48
  5. Step 5: Solve for x
    x = 3,513,221,655.48/89,378.94
  6. Step 6: Final answer
    x = 39,307.04

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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.