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Finding the Fourth Proportional to 166,079.40, 249,119.10 and 112,935.30

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Solution

The fourth proportional to 166,079.40, 249,119.10 and 112,935.30 is: 169,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,079.40 : 249,119.10 = 112,935.30 : x
  2. Step 2: Convert to fraction form
    166,079.40/249,119.10 = 112,935.30/x
  3. Step 3: Cross multiply
    166,079.40x = 249,119.10 × 112,935.30
  4. Step 4: Simplify right side
    166,079.40x = 28,134,340,294.23
  5. Step 5: Solve for x
    x = 28,134,340,294.23/166,079.40
  6. Step 6: Final answer
    x = 169,402.95

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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.