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Finding the Fourth Proportional to 67,458.93, 101,076.74 and 60,505.21

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Solution

The fourth proportional to 67,458.93, 101,076.74 and 60,505.21 is: 90,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.93 : 101,076.74 = 60,505.21 : x
  2. Step 2: Convert to fraction form
    67,458.93/101,076.74 = 60,505.21/x
  3. Step 3: Cross multiply
    67,458.93x = 101,076.74 × 60,505.21
  4. Step 4: Simplify right side
    67,458.93x = 6,115,669,379.82
  5. Step 5: Solve for x
    x = 6,115,669,379.82/67,458.93
  6. Step 6: Final answer
    x = 90,657.67

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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.