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Finding the Fourth Proportional to 114,006.80, 170,815.80 and 97,288.40

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Solution

The fourth proportional to 114,006.80, 170,815.80 and 97,288.40 is: 145,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,006.80 : 170,815.80 = 97,288.40 : x
  2. Step 2: Convert to fraction form
    114,006.80/170,815.80 = 97,288.40/x
  3. Step 3: Cross multiply
    114,006.80x = 170,815.80 × 97,288.40
  4. Step 4: Simplify right side
    114,006.80x = 16,618,395,876.72
  5. Step 5: Solve for x
    x = 16,618,395,876.72/114,006.80
  6. Step 6: Final answer
    x = 145,766.71

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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.