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Finding the Fourth Proportional to 89,873.84, 124,023.84 and 49,591.40

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Solution

The fourth proportional to 89,873.84, 124,023.84 and 49,591.40 is: 68,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.84 : 124,023.84 = 49,591.40 : x
  2. Step 2: Convert to fraction form
    89,873.84/124,023.84 = 49,591.40/x
  3. Step 3: Cross multiply
    89,873.84x = 124,023.84 × 49,591.40
  4. Step 4: Simplify right side
    89,873.84x = 6,150,515,858.98
  5. Step 5: Solve for x
    x = 6,150,515,858.98/89,873.84
  6. Step 6: Final answer
    x = 68,435.00

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1.5x scale

Why These Related Problems?

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