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Finding the Fourth Proportional to 133,051.60, 199,674.60 and 93,685.60

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Solution

The fourth proportional to 133,051.60, 199,674.60 and 93,685.60 is: 140,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.60 : 199,674.60 = 93,685.60 : x
  2. Step 2: Convert to fraction form
    133,051.60/199,674.60 = 93,685.60/x
  3. Step 3: Cross multiply
    133,051.60x = 199,674.60 × 93,685.60
  4. Step 4: Simplify right side
    133,051.60x = 18,706,634,705.76
  5. Step 5: Solve for x
    x = 18,706,634,705.76/133,051.60
  6. Step 6: Final answer
    x = 140,596.84

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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.