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Finding the Fourth Proportional to 107,493.60, 148,342.86 and 62,181.84

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Solution

The fourth proportional to 107,493.60, 148,342.86 and 62,181.84 is: 85,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,493.60 : 148,342.86 = 62,181.84 : x
  2. Step 2: Convert to fraction form
    107,493.60/148,342.86 = 62,181.84/x
  3. Step 3: Cross multiply
    107,493.60x = 148,342.86 × 62,181.84
  4. Step 4: Simplify right side
    107,493.60x = 9,224,231,985.66
  5. Step 5: Solve for x
    x = 9,224,231,985.66/107,493.60
  6. Step 6: Final answer
    x = 85,811.92

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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.