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Finding the Fourth Proportional to 166,073.70, 249,110.55 and 112,929.60

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Solution

The fourth proportional to 166,073.70, 249,110.55 and 112,929.60 is: 169,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.70 : 249,110.55 = 112,929.60 : x
  2. Step 2: Convert to fraction form
    166,073.70/249,110.55 = 112,929.60/x
  3. Step 3: Cross multiply
    166,073.70x = 249,110.55 × 112,929.60
  4. Step 4: Simplify right side
    166,073.70x = 28,131,954,767.28
  5. Step 5: Solve for x
    x = 28,131,954,767.28/166,073.70
  6. Step 6: Final answer
    x = 169,394.40

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1.5x scale

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.