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Finding the Fourth Proportional to 245,773.79, 368,659.96 and 110,679.70

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Solution

The fourth proportional to 245,773.79, 368,659.96 and 110,679.70 is: 166,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,773.79 : 368,659.96 = 110,679.70 : x
  2. Step 2: Convert to fraction form
    245,773.79/368,659.96 = 110,679.70/x
  3. Step 3: Cross multiply
    245,773.79x = 368,659.96 × 110,679.70
  4. Step 4: Simplify right side
    245,773.79x = 40,803,173,774.81
  5. Step 5: Solve for x
    x = 40,803,173,774.81/245,773.79
  6. Step 6: Final answer
    x = 166,019.22

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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.