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Finding the Fourth Proportional to 220,426.64, 330,695.50 and 62,655.09

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Solution

The fourth proportional to 220,426.64, 330,695.50 and 62,655.09 is: 93,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,426.64 : 330,695.50 = 62,655.09 : x
  2. Step 2: Convert to fraction form
    220,426.64/330,695.50 = 62,655.09/x
  3. Step 3: Cross multiply
    220,426.64x = 330,695.50 × 62,655.09
  4. Step 4: Simplify right side
    220,426.64x = 20,719,756,607.17
  5. Step 5: Solve for x
    x = 20,719,756,607.17/220,426.64
  6. Step 6: Final answer
    x = 93,998.42

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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.