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Finding the Fourth Proportional to 166,502.20, 249,753.30 and 100,017.40

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Solution

The fourth proportional to 166,502.20, 249,753.30 and 100,017.40 is: 150,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.20 : 249,753.30 = 100,017.40 : x
  2. Step 2: Convert to fraction form
    166,502.20/249,753.30 = 100,017.40/x
  3. Step 3: Cross multiply
    166,502.20x = 249,753.30 × 100,017.40
  4. Step 4: Simplify right side
    166,502.20x = 24,979,675,707.42
  5. Step 5: Solve for x
    x = 24,979,675,707.42/166,502.20
  6. Step 6: Final answer
    x = 150,026.10

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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.