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Finding the Fourth Proportional to 201,053.60, 301,234.80 and 130,896.80

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Solution

The fourth proportional to 201,053.60, 301,234.80 and 130,896.80 is: 196,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,053.60 : 301,234.80 = 130,896.80 : x
  2. Step 2: Convert to fraction form
    201,053.60/301,234.80 = 130,896.80/x
  3. Step 3: Cross multiply
    201,053.60x = 301,234.80 × 130,896.80
  4. Step 4: Simplify right side
    201,053.60x = 39,430,671,368.64
  5. Step 5: Solve for x
    x = 39,430,671,368.64/201,053.60
  6. Step 6: Final answer
    x = 196,120.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.