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Finding the Fourth Proportional to 107,650.56, 148,558.74 and 59,905.92

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Solution

The fourth proportional to 107,650.56, 148,558.74 and 59,905.92 is: 82,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,650.56 : 148,558.74 = 59,905.92 : x
  2. Step 2: Convert to fraction form
    107,650.56/148,558.74 = 59,905.92/x
  3. Step 3: Cross multiply
    107,650.56x = 148,558.74 × 59,905.92
  4. Step 4: Simplify right side
    107,650.56x = 8,899,547,993.74
  5. Step 5: Solve for x
    x = 8,899,547,993.74/107,650.56
  6. Step 6: Final answer
    x = 82,670.71

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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.