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Finding the Fourth Proportional to 89,387.44, 124,210.06 and 88,415.44

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Solution

The fourth proportional to 89,387.44, 124,210.06 and 88,415.44 is: 122,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,387.44 : 124,210.06 = 88,415.44 : x
  2. Step 2: Convert to fraction form
    89,387.44/124,210.06 = 88,415.44/x
  3. Step 3: Cross multiply
    89,387.44x = 124,210.06 × 88,415.44
  4. Step 4: Simplify right side
    89,387.44x = 10,982,087,107.33
  5. Step 5: Solve for x
    x = 10,982,087,107.33/89,387.44
  6. Step 6: Final answer
    x = 122,859.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.