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Finding the Fourth Proportional to 201,211.60, 301,817.40 and 168,734.65

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Solution

The fourth proportional to 201,211.60, 301,817.40 and 168,734.65 is: 253,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211.60 : 301,817.40 = 168,734.65 : x
  2. Step 2: Convert to fraction form
    201,211.60/301,817.40 = 168,734.65/x
  3. Step 3: Cross multiply
    201,211.60x = 301,817.40 × 168,734.65
  4. Step 4: Simplify right side
    201,211.60x = 50,927,053,352.91
  5. Step 5: Solve for x
    x = 50,927,053,352.91/201,211.60
  6. Step 6: Final answer
    x = 253,101.98

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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.