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Finding the Fourth Proportional to 114,417.80, 171,626.70 and 106,123.40

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Solution

The fourth proportional to 114,417.80, 171,626.70 and 106,123.40 is: 159,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,417.80 : 171,626.70 = 106,123.40 : x
  2. Step 2: Convert to fraction form
    114,417.80/171,626.70 = 106,123.40/x
  3. Step 3: Cross multiply
    114,417.80x = 171,626.70 × 106,123.40
  4. Step 4: Simplify right side
    114,417.80x = 18,213,608,934.78
  5. Step 5: Solve for x
    x = 18,213,608,934.78/114,417.80
  6. Step 6: Final answer
    x = 159,185.10

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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.