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Finding the Fourth Proportional to 133,029.60, 199,544.40 and 118,595.40

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Solution

The fourth proportional to 133,029.60, 199,544.40 and 118,595.40 is: 177,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.60 : 199,544.40 = 118,595.40 : x
  2. Step 2: Convert to fraction form
    133,029.60/199,544.40 = 118,595.40/x
  3. Step 3: Cross multiply
    133,029.60x = 199,544.40 × 118,595.40
  4. Step 4: Simplify right side
    133,029.60x = 23,665,047,935.76
  5. Step 5: Solve for x
    x = 23,665,047,935.76/133,029.60
  6. Step 6: Final answer
    x = 177,893.10

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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.