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Finding the Fourth Proportional to 89,894.92, 124,056.30 and 49,610.56

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Solution

The fourth proportional to 89,894.92, 124,056.30 and 49,610.56 is: 68,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.92 : 124,056.30 = 49,610.56 : x
  2. Step 2: Convert to fraction form
    89,894.92/124,056.30 = 49,610.56/x
  3. Step 3: Cross multiply
    89,894.92x = 124,056.30 × 49,610.56
  4. Step 4: Simplify right side
    89,894.92x = 6,154,502,514.53
  5. Step 5: Solve for x
    x = 6,154,502,514.53/89,894.92
  6. Step 6: Final answer
    x = 68,463.30

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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.