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Finding the Fourth Proportional to 88,950.42, 133,441.80 and 42,202.86

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Solution

The fourth proportional to 88,950.42, 133,441.80 and 42,202.86 is: 63,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,950.42 : 133,441.80 = 42,202.86 : x
  2. Step 2: Convert to fraction form
    88,950.42/133,441.80 = 42,202.86/x
  3. Step 3: Cross multiply
    88,950.42x = 133,441.80 × 42,202.86
  4. Step 4: Simplify right side
    88,950.42x = 5,631,625,603.55
  5. Step 5: Solve for x
    x = 5,631,625,603.55/88,950.42
  6. Step 6: Final answer
    x = 63,311.96

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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.