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Finding the Fourth Proportional to 276,798.60, 415,134.18 and 108,322.92

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Solution

The fourth proportional to 276,798.60, 415,134.18 and 108,322.92 is: 162,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,798.60 : 415,134.18 = 108,322.92 : x
  2. Step 2: Convert to fraction form
    276,798.60/415,134.18 = 108,322.92/x
  3. Step 3: Cross multiply
    276,798.60x = 415,134.18 × 108,322.92
  4. Step 4: Simplify right side
    276,798.60x = 44,968,546,569.41
  5. Step 5: Solve for x
    x = 44,968,546,569.41/276,798.60
  6. Step 6: Final answer
    x = 162,459.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.