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Finding the Fourth Proportional to 166,493.20, 249,826.20 and 73,008.40

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Solution

The fourth proportional to 166,493.20, 249,826.20 and 73,008.40 is: 109,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,493.20 : 249,826.20 = 73,008.40 : x
  2. Step 2: Convert to fraction form
    166,493.20/249,826.20 = 73,008.40/x
  3. Step 3: Cross multiply
    166,493.20x = 249,826.20 × 73,008.40
  4. Step 4: Simplify right side
    166,493.20x = 18,239,411,140.08
  5. Step 5: Solve for x
    x = 18,239,411,140.08/166,493.20
  6. Step 6: Final answer
    x = 109,550.49

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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.