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Finding the Fourth Proportional to 163,459.84, 245,361.60 and 144,859.20

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Solution

The fourth proportional to 163,459.84, 245,361.60 and 144,859.20 is: 217,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,459.84 : 245,361.60 = 144,859.20 : x
  2. Step 2: Convert to fraction form
    163,459.84/245,361.60 = 144,859.20/x
  3. Step 3: Cross multiply
    163,459.84x = 245,361.60 × 144,859.20
  4. Step 4: Simplify right side
    163,459.84x = 35,542,885,086.72
  5. Step 5: Solve for x
    x = 35,542,885,086.72/163,459.84
  6. Step 6: Final answer
    x = 217,441.09

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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.