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Finding the Fourth Proportional to 89,894.56, 124,054.37 and 49,608.32

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Solution

The fourth proportional to 89,894.56, 124,054.37 and 49,608.32 is: 68,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.56 : 124,054.37 = 49,608.32 : x
  2. Step 2: Convert to fraction form
    89,894.56/124,054.37 = 49,608.32/x
  3. Step 3: Cross multiply
    89,894.56x = 124,054.37 × 49,608.32
  4. Step 4: Simplify right side
    89,894.56x = 6,154,128,946.45
  5. Step 5: Solve for x
    x = 6,154,128,946.45/89,894.56
  6. Step 6: Final answer
    x = 68,459.42

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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.