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Finding the Fourth Proportional to 201,663.60, 302,592.60 and 142,371.60

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Solution

The fourth proportional to 201,663.60, 302,592.60 and 142,371.60 is: 213,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,663.60 : 302,592.60 = 142,371.60 : x
  2. Step 2: Convert to fraction form
    201,663.60/302,592.60 = 142,371.60/x
  3. Step 3: Cross multiply
    201,663.60x = 302,592.60 × 142,371.60
  4. Step 4: Simplify right side
    201,663.60x = 43,080,592,610.16
  5. Step 5: Solve for x
    x = 43,080,592,610.16/201,663.60
  6. Step 6: Final answer
    x = 213,626.02

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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.