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Finding the Fourth Proportional to 88,968.70, 133,452.51 and 35,684.74

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Solution

The fourth proportional to 88,968.70, 133,452.51 and 35,684.74 is: 53,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,968.70 : 133,452.51 = 35,684.74 : x
  2. Step 2: Convert to fraction form
    88,968.70/133,452.51 = 35,684.74/x
  3. Step 3: Cross multiply
    88,968.70x = 133,452.51 × 35,684.74
  4. Step 4: Simplify right side
    88,968.70x = 4,762,218,121.70
  5. Step 5: Solve for x
    x = 4,762,218,121.70/88,968.70
  6. Step 6: Final answer
    x = 53,526.89

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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.