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Finding the Fourth Proportional to 133,089.60, 199,731.60 and 93,723.60

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Solution

The fourth proportional to 133,089.60, 199,731.60 and 93,723.60 is: 140,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,089.60 : 199,731.60 = 93,723.60 : x
  2. Step 2: Convert to fraction form
    133,089.60/199,731.60 = 93,723.60/x
  3. Step 3: Cross multiply
    133,089.60x = 199,731.60 × 93,723.60
  4. Step 4: Simplify right side
    133,089.60x = 18,719,564,585.76
  5. Step 5: Solve for x
    x = 18,719,564,585.76/133,089.60
  6. Step 6: Final answer
    x = 140,653.85

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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.