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Finding the Fourth Proportional to 201,709.60, 302,564.40 and 169,232.65

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Solution

The fourth proportional to 201,709.60, 302,564.40 and 169,232.65 is: 253,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,709.60 : 302,564.40 = 169,232.65 : x
  2. Step 2: Convert to fraction form
    201,709.60/302,564.40 = 169,232.65/x
  3. Step 3: Cross multiply
    201,709.60x = 302,564.40 × 169,232.65
  4. Step 4: Simplify right side
    201,709.60x = 51,203,775,207.66
  5. Step 5: Solve for x
    x = 51,203,775,207.66/201,709.60
  6. Step 6: Final answer
    x = 253,848.98

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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.