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Finding the Fourth Proportional to 167,664.60, 251,489.70 and 56,856.60

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Solution

The fourth proportional to 167,664.60, 251,489.70 and 56,856.60 is: 85,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,664.60 : 251,489.70 = 56,856.60 : x
  2. Step 2: Convert to fraction form
    167,664.60/251,489.70 = 56,856.60/x
  3. Step 3: Cross multiply
    167,664.60x = 251,489.70 × 56,856.60
  4. Step 4: Simplify right side
    167,664.60x = 14,298,849,277.02
  5. Step 5: Solve for x
    x = 14,298,849,277.02/167,664.60
  6. Step 6: Final answer
    x = 85,282.46

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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.