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Finding the Fourth Proportional to 89,894.96, 124,052.76 and 49,608.20

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Solution

The fourth proportional to 89,894.96, 124,052.76 and 49,608.20 is: 68,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.96 : 124,052.76 = 49,608.20 : x
  2. Step 2: Convert to fraction form
    89,894.96/124,052.76 = 49,608.20/x
  3. Step 3: Cross multiply
    89,894.96x = 124,052.76 × 49,608.20
  4. Step 4: Simplify right side
    89,894.96x = 6,154,034,128.63
  5. Step 5: Solve for x
    x = 6,154,034,128.63/89,894.96
  6. Step 6: Final answer
    x = 68,458.06

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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.