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Finding the Fourth Proportional to 166,071.70, 249,107.55 and 112,927.60

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Solution

The fourth proportional to 166,071.70, 249,107.55 and 112,927.60 is: 169,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,071.70 : 249,107.55 = 112,927.60 : x
  2. Step 2: Convert to fraction form
    166,071.70/249,107.55 = 112,927.60/x
  3. Step 3: Cross multiply
    166,071.70x = 249,107.55 × 112,927.60
  4. Step 4: Simplify right side
    166,071.70x = 28,131,117,763.38
  5. Step 5: Solve for x
    x = 28,131,117,763.38/166,071.70
  6. Step 6: Final answer
    x = 169,391.40

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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.