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Finding the Fourth Proportional to 107,776.62, 148,727.88 and 60,027.39

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Solution

The fourth proportional to 107,776.62, 148,727.88 and 60,027.39 is: 82,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,776.62 : 148,727.88 = 60,027.39 : x
  2. Step 2: Convert to fraction form
    107,776.62/148,727.88 = 60,027.39/x
  3. Step 3: Cross multiply
    107,776.62x = 148,727.88 × 60,027.39
  4. Step 4: Simplify right side
    107,776.62x = 8,927,746,456.63
  5. Step 5: Solve for x
    x = 8,927,746,456.63/107,776.62
  6. Step 6: Final answer
    x = 82,835.65

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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.