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Finding the Fourth Proportional to 201,209.60, 301,814.40 and 168,732.65

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Solution

The fourth proportional to 201,209.60, 301,814.40 and 168,732.65 is: 253,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,209.60 : 301,814.40 = 168,732.65 : x
  2. Step 2: Convert to fraction form
    201,209.60/301,814.40 = 168,732.65/x
  3. Step 3: Cross multiply
    201,209.60x = 301,814.40 × 168,732.65
  4. Step 4: Simplify right side
    201,209.60x = 50,925,943,520.16
  5. Step 5: Solve for x
    x = 50,925,943,520.16/201,209.60
  6. Step 6: Final answer
    x = 253,098.98

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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.