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Finding the Fourth Proportional to 166,073.40, 249,110.10 and 112,929.30

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Solution

The fourth proportional to 166,073.40, 249,110.10 and 112,929.30 is: 169,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.40 : 249,110.10 = 112,929.30 : x
  2. Step 2: Convert to fraction form
    166,073.40/249,110.10 = 112,929.30/x
  3. Step 3: Cross multiply
    166,073.40x = 249,110.10 × 112,929.30
  4. Step 4: Simplify right side
    166,073.40x = 28,131,829,215.93
  5. Step 5: Solve for x
    x = 28,131,829,215.93/166,073.40
  6. Step 6: Final answer
    x = 169,393.95

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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.