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Finding the Fourth Proportional to 163,773.45, 245,660.18 and 45,444.81

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Solution

The fourth proportional to 163,773.45, 245,660.18 and 45,444.81 is: 68,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,773.45 : 245,660.18 = 45,444.81 : x
  2. Step 2: Convert to fraction form
    163,773.45/245,660.18 = 45,444.81/x
  3. Step 3: Cross multiply
    163,773.45x = 245,660.18 × 45,444.81
  4. Step 4: Simplify right side
    163,773.45x = 11,163,980,204.67
  5. Step 5: Solve for x
    x = 11,163,980,204.67/163,773.45
  6. Step 6: Final answer
    x = 68,167.22

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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.