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Finding the Fourth Proportional to 89,858.94, 124,007.64 and 49,573.17

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Solution

The fourth proportional to 89,858.94, 124,007.64 and 49,573.17 is: 68,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.94 : 124,007.64 = 49,573.17 : x
  2. Step 2: Convert to fraction form
    89,858.94/124,007.64 = 49,573.17/x
  3. Step 3: Cross multiply
    89,858.94x = 124,007.64 × 49,573.17
  4. Step 4: Simplify right side
    89,858.94x = 6,147,451,819.02
  5. Step 5: Solve for x
    x = 6,147,451,819.02/89,858.94
  6. Step 6: Final answer
    x = 68,412.25

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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.